Home / 138,448.17-206,913.56-101,086.92

Finding the Fourth Proportional to 138,448.17, 206,913.56 and 101,086.92

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Solution

The fourth proportional to 138,448.17, 206,913.56 and 101,086.92 is: 151,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,448.17 : 206,913.56 = 101,086.92 : x
  2. Step 2: Convert to fraction form
    138,448.17/206,913.56 = 101,086.92/x
  3. Step 3: Cross multiply
    138,448.17x = 206,913.56 × 101,086.92
  4. Step 4: Simplify right side
    138,448.17x = 20,916,253,981.20
  5. Step 5: Solve for x
    x = 20,916,253,981.20/138,448.17
  6. Step 6: Final answer
    x = 151,076.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.