Home / 132,049.80-198,001.80-57,157.20

Finding the Fourth Proportional to 132,049.80, 198,001.80 and 57,157.20

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Solution

The fourth proportional to 132,049.80, 198,001.80 and 57,157.20 is: 85,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,049.80 : 198,001.80 = 57,157.20 : x
  2. Step 2: Convert to fraction form
    132,049.80/198,001.80 = 57,157.20/x
  3. Step 3: Cross multiply
    132,049.80x = 198,001.80 × 57,157.20
  4. Step 4: Simplify right side
    132,049.80x = 11,317,228,482.96
  5. Step 5: Solve for x
    x = 11,317,228,482.96/132,049.80
  6. Step 6: Final answer
    x = 85,704.25

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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.