Home / 292,512.47-438,785.10-82,134

Finding the Fourth Proportional to 292,512.47, 438,785.10 and 82,134

Calculator

Solution

The fourth proportional to 292,512.47, 438,785.10 and 82,134 is: 123,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,512.47 : 438,785.10 = 82,134 : x
  2. Step 2: Convert to fraction form
    292,512.47/438,785.10 = 82,134/x
  3. Step 3: Cross multiply
    292,512.47x = 438,785.10 × 82,134
  4. Step 4: Simplify right side
    292,512.47x = 36,039,175,403.40
  5. Step 5: Solve for x
    x = 36,039,175,403.40/292,512.47
  6. Step 6: Final answer
    x = 123,205.61

Related Problems

Find fourth proportional to 146,256.23, 219,392.55 and 41,067
Half scale
Find fourth proportional to 585,024.93, 877,570.20 and 164,268
Double scale
Find fourth proportional to 292,513.47, 438,786.60 and 82,135
Similar ratio
Find fourth proportional to 438,768.70, 658,177.65 and 123,201
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.