Home / 137,512.62-206,288.70-52,154.88

Finding the Fourth Proportional to 137,512.62, 206,288.70 and 52,154.88

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Solution

The fourth proportional to 137,512.62, 206,288.70 and 52,154.88 is: 78,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,512.62 : 206,288.70 = 52,154.88 : x
  2. Step 2: Convert to fraction form
    137,512.62/206,288.70 = 52,154.88/x
  3. Step 3: Cross multiply
    137,512.62x = 206,288.70 × 52,154.88
  4. Step 4: Simplify right side
    137,512.62x = 10,758,962,393.86
  5. Step 5: Solve for x
    x = 10,758,962,393.86/137,512.62
  6. Step 6: Final answer
    x = 78,239.82

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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.