Home / 90,753.14-136,046.68-38,166.32

Finding the Fourth Proportional to 90,753.14, 136,046.68 and 38,166.32

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Solution

The fourth proportional to 90,753.14, 136,046.68 and 38,166.32 is: 57,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,753.14 : 136,046.68 = 38,166.32 : x
  2. Step 2: Convert to fraction form
    90,753.14/136,046.68 = 38,166.32/x
  3. Step 3: Cross multiply
    90,753.14x = 136,046.68 × 38,166.32
  4. Step 4: Simplify right side
    90,753.14x = 5,192,400,348.17
  5. Step 5: Solve for x
    x = 5,192,400,348.17/90,753.14
  6. Step 6: Final answer
    x = 57,214.56

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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.