Home / 132,017.30-198,001.65-82,007.90

Finding the Fourth Proportional to 132,017.30, 198,001.65 and 82,007.90

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Solution

The fourth proportional to 132,017.30, 198,001.65 and 82,007.90 is: 122,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,017.30 : 198,001.65 = 82,007.90 : x
  2. Step 2: Convert to fraction form
    132,017.30/198,001.65 = 82,007.90/x
  3. Step 3: Cross multiply
    132,017.30x = 198,001.65 × 82,007.90
  4. Step 4: Simplify right side
    132,017.30x = 16,237,699,513.04
  5. Step 5: Solve for x
    x = 16,237,699,513.04/132,017.30
  6. Step 6: Final answer
    x = 122,996.76

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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.