Home / 316,521-474,781.50-94,905

Finding the Fourth Proportional to 316,521, 474,781.50 and 94,905

Calculator

Solution

The fourth proportional to 316,521, 474,781.50 and 94,905 is: 142,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,521 : 474,781.50 = 94,905 : x
  2. Step 2: Convert to fraction form
    316,521/474,781.50 = 94,905/x
  3. Step 3: Cross multiply
    316,521x = 474,781.50 × 94,905
  4. Step 4: Simplify right side
    316,521x = 45,059,138,257.50
  5. Step 5: Solve for x
    x = 45,059,138,257.50/316,521
  6. Step 6: Final answer
    x = 142,357.50

Related Problems

Find fourth proportional to 158,260.50, 237,390.75 and 47,452.50
Half scale
Find fourth proportional to 633,042, 949,563 and 189,810
Double scale
Find fourth proportional to 316,522, 474,783 and 94,906
Similar ratio
Find fourth proportional to 474,781.50, 712,172.25 and 142,357.50
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.