Home / 132,884.64-199,327.68-39,391.20

Finding the Fourth Proportional to 132,884.64, 199,327.68 and 39,391.20

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Solution

The fourth proportional to 132,884.64, 199,327.68 and 39,391.20 is: 59,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,884.64 : 199,327.68 = 39,391.20 : x
  2. Step 2: Convert to fraction form
    132,884.64/199,327.68 = 39,391.20/x
  3. Step 3: Cross multiply
    132,884.64x = 199,327.68 × 39,391.20
  4. Step 4: Simplify right side
    132,884.64x = 7,851,756,508.42
  5. Step 5: Solve for x
    x = 7,851,756,508.42/132,884.64
  6. Step 6: Final answer
    x = 59,087.01

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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.