Home / 102,562-153,843-28,690

Finding the Fourth Proportional to 102,562, 153,843 and 28,690

Calculator

Solution

The fourth proportional to 102,562, 153,843 and 28,690 is: 43,035

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,562 : 153,843 = 28,690 : x
  2. Step 2: Convert to fraction form
    102,562/153,843 = 28,690/x
  3. Step 3: Cross multiply
    102,562x = 153,843 × 28,690
  4. Step 4: Simplify right side
    102,562x = 4,413,755,670
  5. Step 5: Solve for x
    x = 4,413,755,670/102,562
  6. Step 6: Final answer
    x = 43,035

Related Problems

Find fourth proportional to 51,281, 76,921.50 and 14,345
Half scale
Find fourth proportional to 205,124, 307,686 and 57,380
Double scale
Find fourth proportional to 102,563, 153,844.50 and 28,691
Similar ratio
Find fourth proportional to 153,843, 230,764.50 and 43,035
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.