Home / 138,734.46-208,101.78-33,553.53

Finding the Fourth Proportional to 138,734.46, 208,101.78 and 33,553.53

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Solution

The fourth proportional to 138,734.46, 208,101.78 and 33,553.53 is: 50,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,734.46 : 208,101.78 = 33,553.53 : x
  2. Step 2: Convert to fraction form
    138,734.46/208,101.78 = 33,553.53/x
  3. Step 3: Cross multiply
    138,734.46x = 208,101.78 × 33,553.53
  4. Step 4: Simplify right side
    138,734.46x = 6,982,549,318.28
  5. Step 5: Solve for x
    x = 6,982,549,318.28/138,734.46
  6. Step 6: Final answer
    x = 50,330.32

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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.