Home / 154,345.20-231,906.60-98,212.20

Finding the Fourth Proportional to 154,345.20, 231,906.60 and 98,212.20

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Solution

The fourth proportional to 154,345.20, 231,906.60 and 98,212.20 is: 147,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,345.20 : 231,906.60 = 98,212.20 : x
  2. Step 2: Convert to fraction form
    154,345.20/231,906.60 = 98,212.20/x
  3. Step 3: Cross multiply
    154,345.20x = 231,906.60 × 98,212.20
  4. Step 4: Simplify right side
    154,345.20x = 22,776,057,380.52
  5. Step 5: Solve for x
    x = 22,776,057,380.52/154,345.20
  6. Step 6: Final answer
    x = 147,565.70

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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.