Home / 113,115.91-169,645.83-38,234.40

Finding the Fourth Proportional to 113,115.91, 169,645.83 and 38,234.40

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Solution

The fourth proportional to 113,115.91, 169,645.83 and 38,234.40 is: 57,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,115.91 : 169,645.83 = 38,234.40 : x
  2. Step 2: Convert to fraction form
    113,115.91/169,645.83 = 38,234.40/x
  3. Step 3: Cross multiply
    113,115.91x = 169,645.83 × 38,234.40
  4. Step 4: Simplify right side
    113,115.91x = 6,486,306,522.55
  5. Step 5: Solve for x
    x = 6,486,306,522.55/113,115.91
  6. Step 6: Final answer
    x = 57,342.12

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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.