Home / 132,271.24-198,414.35-42,321.86

Finding the Fourth Proportional to 132,271.24, 198,414.35 and 42,321.86

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Solution

The fourth proportional to 132,271.24, 198,414.35 and 42,321.86 is: 63,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,271.24 : 198,414.35 = 42,321.86 : x
  2. Step 2: Convert to fraction form
    132,271.24/198,414.35 = 42,321.86/x
  3. Step 3: Cross multiply
    132,271.24x = 198,414.35 × 42,321.86
  4. Step 4: Simplify right side
    132,271.24x = 8,397,264,342.69
  5. Step 5: Solve for x
    x = 8,397,264,342.69/132,271.24
  6. Step 6: Final answer
    x = 63,485.19

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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.