Home / 137,942.32-206,897.90-38,116.76

Finding the Fourth Proportional to 137,942.32, 206,897.90 and 38,116.76

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Solution

The fourth proportional to 137,942.32, 206,897.90 and 38,116.76 is: 57,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,942.32 : 206,897.90 = 38,116.76 : x
  2. Step 2: Convert to fraction form
    137,942.32/206,897.90 = 38,116.76/x
  3. Step 3: Cross multiply
    137,942.32x = 206,897.90 × 38,116.76
  4. Step 4: Simplify right side
    137,942.32x = 7,886,277,598.80
  5. Step 5: Solve for x
    x = 7,886,277,598.80/137,942.32
  6. Step 6: Final answer
    x = 57,170.83

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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.