Home / 99,691.43-149,493.40-37,318.19

Finding the Fourth Proportional to 99,691.43, 149,493.40 and 37,318.19

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Solution

The fourth proportional to 99,691.43, 149,493.40 and 37,318.19 is: 55,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,691.43 : 149,493.40 = 37,318.19 : x
  2. Step 2: Convert to fraction form
    99,691.43/149,493.40 = 37,318.19/x
  3. Step 3: Cross multiply
    99,691.43x = 149,493.40 × 37,318.19
  4. Step 4: Simplify right side
    99,691.43x = 5,578,823,104.95
  5. Step 5: Solve for x
    x = 5,578,823,104.95/99,691.43
  6. Step 6: Final answer
    x = 55,960.91

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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.