Home / 132,218.76-198,342.24-42,230.04

Finding the Fourth Proportional to 132,218.76, 198,342.24 and 42,230.04

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Solution

The fourth proportional to 132,218.76, 198,342.24 and 42,230.04 is: 63,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218.76 : 198,342.24 = 42,230.04 : x
  2. Step 2: Convert to fraction form
    132,218.76/198,342.24 = 42,230.04/x
  3. Step 3: Cross multiply
    132,218.76x = 198,342.24 × 42,230.04
  4. Step 4: Simplify right side
    132,218.76x = 8,376,000,728.89
  5. Step 5: Solve for x
    x = 8,376,000,728.89/132,218.76
  6. Step 6: Final answer
    x = 63,349.56

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1.5x scale

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.