Home / 154,330.20-231,884.10-98,197.20

Finding the Fourth Proportional to 154,330.20, 231,884.10 and 98,197.20

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Solution

The fourth proportional to 154,330.20, 231,884.10 and 98,197.20 is: 147,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,330.20 : 231,884.10 = 98,197.20 : x
  2. Step 2: Convert to fraction form
    154,330.20/231,884.10 = 98,197.20/x
  3. Step 3: Cross multiply
    154,330.20x = 231,884.10 × 98,197.20
  4. Step 4: Simplify right side
    154,330.20x = 22,770,369,344.52
  5. Step 5: Solve for x
    x = 22,770,369,344.52/154,330.20
  6. Step 6: Final answer
    x = 147,543.19

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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.