Home / 132,086.26-198,122.49-43,328.08

Finding the Fourth Proportional to 132,086.26, 198,122.49 and 43,328.08

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Solution

The fourth proportional to 132,086.26, 198,122.49 and 43,328.08 is: 64,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,086.26 : 198,122.49 = 43,328.08 : x
  2. Step 2: Convert to fraction form
    132,086.26/198,122.49 = 43,328.08/x
  3. Step 3: Cross multiply
    132,086.26x = 198,122.49 × 43,328.08
  4. Step 4: Simplify right side
    132,086.26x = 8,584,267,096.52
  5. Step 5: Solve for x
    x = 8,584,267,096.52/132,086.26
  6. Step 6: Final answer
    x = 64,989.86

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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.