Home / 136,747.32-205,158.65-47,989.14

Finding the Fourth Proportional to 136,747.32, 205,158.65 and 47,989.14

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Solution

The fourth proportional to 136,747.32, 205,158.65 and 47,989.14 is: 71,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,747.32 : 205,158.65 = 47,989.14 : x
  2. Step 2: Convert to fraction form
    136,747.32/205,158.65 = 47,989.14/x
  3. Step 3: Cross multiply
    136,747.32x = 205,158.65 × 47,989.14
  4. Step 4: Simplify right side
    136,747.32x = 9,845,386,937.12
  5. Step 5: Solve for x
    x = 9,845,386,937.12/136,747.32
  6. Step 6: Final answer
    x = 71,996.93

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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.