Home / 137,900.38-206,862.46-38,060.57

Finding the Fourth Proportional to 137,900.38, 206,862.46 and 38,060.57

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Solution

The fourth proportional to 137,900.38, 206,862.46 and 38,060.57 is: 57,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,900.38 : 206,862.46 = 38,060.57 : x
  2. Step 2: Convert to fraction form
    137,900.38/206,862.46 = 38,060.57/x
  3. Step 3: Cross multiply
    137,900.38x = 206,862.46 × 38,060.57
  4. Step 4: Simplify right side
    137,900.38x = 7,873,303,139.20
  5. Step 5: Solve for x
    x = 7,873,303,139.20/137,900.38
  6. Step 6: Final answer
    x = 57,094.14

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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.