Home / 138,957.17-208,434.11-33,776.24

Finding the Fourth Proportional to 138,957.17, 208,434.11 and 33,776.24

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Solution

The fourth proportional to 138,957.17, 208,434.11 and 33,776.24 is: 50,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,957.17 : 208,434.11 = 33,776.24 : x
  2. Step 2: Convert to fraction form
    138,957.17/208,434.11 = 33,776.24/x
  3. Step 3: Cross multiply
    138,957.17x = 208,434.11 × 33,776.24
  4. Step 4: Simplify right side
    138,957.17x = 7,040,119,312.49
  5. Step 5: Solve for x
    x = 7,040,119,312.49/138,957.17
  6. Step 6: Final answer
    x = 50,663.95

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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.