Home / 137,734.80-206,602.20-123,956.70

Finding the Fourth Proportional to 137,734.80, 206,602.20 and 123,956.70

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Solution

The fourth proportional to 137,734.80, 206,602.20 and 123,956.70 is: 185,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,734.80 : 206,602.20 = 123,956.70 : x
  2. Step 2: Convert to fraction form
    137,734.80/206,602.20 = 123,956.70/x
  3. Step 3: Cross multiply
    137,734.80x = 206,602.20 × 123,956.70
  4. Step 4: Simplify right side
    137,734.80x = 25,609,726,924.74
  5. Step 5: Solve for x
    x = 25,609,726,924.74/137,734.80
  6. Step 6: Final answer
    x = 185,935.05

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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.