Home / 175,869.20-242,685.11-99,394.85

Finding the Fourth Proportional to 175,869.20, 242,685.11 and 99,394.85

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Solution

The fourth proportional to 175,869.20, 242,685.11 and 99,394.85 is: 137,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,869.20 : 242,685.11 = 99,394.85 : x
  2. Step 2: Convert to fraction form
    175,869.20/242,685.11 = 99,394.85/x
  3. Step 3: Cross multiply
    175,869.20x = 242,685.11 × 99,394.85
  4. Step 4: Simplify right side
    175,869.20x = 24,121,650,105.68
  5. Step 5: Solve for x
    x = 24,121,650,105.68/175,869.20
  6. Step 6: Final answer
    x = 137,156.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.