Home / 138,812.19-208,217.58-33,631.17

Finding the Fourth Proportional to 138,812.19, 208,217.58 and 33,631.17

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Solution

The fourth proportional to 138,812.19, 208,217.58 and 33,631.17 is: 50,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,812.19 : 208,217.58 = 33,631.17 : x
  2. Step 2: Convert to fraction form
    138,812.19/208,217.58 = 33,631.17/x
  3. Step 3: Cross multiply
    138,812.19x = 208,217.58 × 33,631.17
  4. Step 4: Simplify right side
    138,812.19x = 7,002,600,829.97
  5. Step 5: Solve for x
    x = 7,002,600,829.97/138,812.19
  6. Step 6: Final answer
    x = 50,446.58

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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.