Home / 90,849.59-136,279.85-38,263.17

Finding the Fourth Proportional to 90,849.59, 136,279.85 and 38,263.17

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Solution

The fourth proportional to 90,849.59, 136,279.85 and 38,263.17 is: 57,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849.59 : 136,279.85 = 38,263.17 : x
  2. Step 2: Convert to fraction form
    90,849.59/136,279.85 = 38,263.17/x
  3. Step 3: Cross multiply
    90,849.59x = 136,279.85 × 38,263.17
  4. Step 4: Simplify right side
    90,849.59x = 5,214,499,068.12
  5. Step 5: Solve for x
    x = 5,214,499,068.12/90,849.59
  6. Step 6: Final answer
    x = 57,397.06

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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.