Home / 154,375.20-231,562.53-79,516.74

Finding the Fourth Proportional to 154,375.20, 231,562.53 and 79,516.74

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Solution

The fourth proportional to 154,375.20, 231,562.53 and 79,516.74 is: 119,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,375.20 : 231,562.53 = 79,516.74 : x
  2. Step 2: Convert to fraction form
    154,375.20/231,562.53 = 79,516.74/x
  3. Step 3: Cross multiply
    154,375.20x = 231,562.53 × 79,516.74
  4. Step 4: Simplify right side
    154,375.20x = 18,413,097,491.75
  5. Step 5: Solve for x
    x = 18,413,097,491.75/154,375.20
  6. Step 6: Final answer
    x = 119,274.97

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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.