Home / 132,002.80-198,002.40-43,259.20

Finding the Fourth Proportional to 132,002.80, 198,002.40 and 43,259.20

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Solution

The fourth proportional to 132,002.80, 198,002.40 and 43,259.20 is: 64,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.80 : 198,002.40 = 43,259.20 : x
  2. Step 2: Convert to fraction form
    132,002.80/198,002.40 = 43,259.20/x
  3. Step 3: Cross multiply
    132,002.80x = 198,002.40 × 43,259.20
  4. Step 4: Simplify right side
    132,002.80x = 8,565,425,422.08
  5. Step 5: Solve for x
    x = 8,565,425,422.08/132,002.80
  6. Step 6: Final answer
    x = 64,888.21

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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.