Home / 156,129.12-234,226.08-62,642.16

Finding the Fourth Proportional to 156,129.12, 234,226.08 and 62,642.16

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Solution

The fourth proportional to 156,129.12, 234,226.08 and 62,642.16 is: 93,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129.12 : 234,226.08 = 62,642.16 : x
  2. Step 2: Convert to fraction form
    156,129.12/234,226.08 = 62,642.16/x
  3. Step 3: Cross multiply
    156,129.12x = 234,226.08 × 62,642.16
  4. Step 4: Simplify right side
    156,129.12x = 14,672,427,579.53
  5. Step 5: Solve for x
    x = 14,672,427,579.53/156,129.12
  6. Step 6: Final answer
    x = 93,976.24

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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.