Home / 132,649.44-198,995.76-39,164.64

Finding the Fourth Proportional to 132,649.44, 198,995.76 and 39,164.64

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Solution

The fourth proportional to 132,649.44, 198,995.76 and 39,164.64 is: 58,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,649.44 : 198,995.76 = 39,164.64 : x
  2. Step 2: Convert to fraction form
    132,649.44/198,995.76 = 39,164.64/x
  3. Step 3: Cross multiply
    132,649.44x = 198,995.76 × 39,164.64
  4. Step 4: Simplify right side
    132,649.44x = 7,793,597,301.93
  5. Step 5: Solve for x
    x = 7,793,597,301.93/132,649.44
  6. Step 6: Final answer
    x = 58,753.34

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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.