Home / 132,119.19-198,128.03-47,854.53

Finding the Fourth Proportional to 132,119.19, 198,128.03 and 47,854.53

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Solution

The fourth proportional to 132,119.19, 198,128.03 and 47,854.53 is: 71,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,119.19 : 198,128.03 = 47,854.53 : x
  2. Step 2: Convert to fraction form
    132,119.19/198,128.03 = 47,854.53/x
  3. Step 3: Cross multiply
    132,119.19x = 198,128.03 × 47,854.53
  4. Step 4: Simplify right side
    132,119.19x = 9,481,323,516.20
  5. Step 5: Solve for x
    x = 9,481,323,516.20/132,119.19
  6. Step 6: Final answer
    x = 71,763.41

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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.