Home / 154,380.30-231,592.05-65,633.10

Finding the Fourth Proportional to 154,380.30, 231,592.05 and 65,633.10

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Solution

The fourth proportional to 154,380.30, 231,592.05 and 65,633.10 is: 98,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,380.30 : 231,592.05 = 65,633.10 : x
  2. Step 2: Convert to fraction form
    154,380.30/231,592.05 = 65,633.10/x
  3. Step 3: Cross multiply
    154,380.30x = 231,592.05 × 65,633.10
  4. Step 4: Simplify right side
    154,380.30x = 15,200,104,176.86
  5. Step 5: Solve for x
    x = 15,200,104,176.86/154,380.30
  6. Step 6: Final answer
    x = 98,458.83

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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.