Home / 92,318.97-138,419.28-38,996.49

Finding the Fourth Proportional to 92,318.97, 138,419.28 and 38,996.49

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Solution

The fourth proportional to 92,318.97, 138,419.28 and 38,996.49 is: 58,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,318.97 : 138,419.28 = 38,996.49 : x
  2. Step 2: Convert to fraction form
    92,318.97/138,419.28 = 38,996.49/x
  3. Step 3: Cross multiply
    92,318.97x = 138,419.28 × 38,996.49
  4. Step 4: Simplify right side
    92,318.97x = 5,397,866,068.33
  5. Step 5: Solve for x
    x = 5,397,866,068.33/92,318.97
  6. Step 6: Final answer
    x = 58,469.74

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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.