Home / 132,140.81-198,209.49-32,301.88

Finding the Fourth Proportional to 132,140.81, 198,209.49 and 32,301.88

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Solution

The fourth proportional to 132,140.81, 198,209.49 and 32,301.88 is: 48,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,140.81 : 198,209.49 = 32,301.88 : x
  2. Step 2: Convert to fraction form
    132,140.81/198,209.49 = 32,301.88/x
  3. Step 3: Cross multiply
    132,140.81x = 198,209.49 × 32,301.88
  4. Step 4: Simplify right side
    132,140.81x = 6,402,538,503.81
  5. Step 5: Solve for x
    x = 6,402,538,503.81/132,140.81
  6. Step 6: Final answer
    x = 48,452.39

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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.