Home / 137,891.52-206,833.14-38,057.72

Finding the Fourth Proportional to 137,891.52, 206,833.14 and 38,057.72

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Solution

The fourth proportional to 137,891.52, 206,833.14 and 38,057.72 is: 57,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,891.52 : 206,833.14 = 38,057.72 : x
  2. Step 2: Convert to fraction form
    137,891.52/206,833.14 = 38,057.72/x
  3. Step 3: Cross multiply
    137,891.52x = 206,833.14 × 38,057.72
  4. Step 4: Simplify right side
    137,891.52x = 7,871,596,694.68
  5. Step 5: Solve for x
    x = 7,871,596,694.68/137,891.52
  6. Step 6: Final answer
    x = 57,085.43

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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.