Home / 113,356.17-156,441.78-62,379.09

Finding the Fourth Proportional to 113,356.17, 156,441.78 and 62,379.09

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Solution

The fourth proportional to 113,356.17, 156,441.78 and 62,379.09 is: 86,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,356.17 : 156,441.78 = 62,379.09 : x
  2. Step 2: Convert to fraction form
    113,356.17/156,441.78 = 62,379.09/x
  3. Step 3: Cross multiply
    113,356.17x = 156,441.78 × 62,379.09
  4. Step 4: Simplify right side
    113,356.17x = 9,758,695,874.38
  5. Step 5: Solve for x
    x = 9,758,695,874.38/113,356.17
  6. Step 6: Final answer
    x = 86,088.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.