Home / 199,002.72-274,622.40-108,358.65

Finding the Fourth Proportional to 199,002.72, 274,622.40 and 108,358.65

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Solution

The fourth proportional to 199,002.72, 274,622.40 and 108,358.65 is: 149,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,002.72 : 274,622.40 = 108,358.65 : x
  2. Step 2: Convert to fraction form
    199,002.72/274,622.40 = 108,358.65/x
  3. Step 3: Cross multiply
    199,002.72x = 274,622.40 × 108,358.65
  4. Step 4: Simplify right side
    199,002.72x = 29,757,712,523.76
  5. Step 5: Solve for x
    x = 29,757,712,523.76/199,002.72
  6. Step 6: Final answer
    x = 149,534.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.