Home / 103,964.10-155,944.68-25,077.66

Finding the Fourth Proportional to 103,964.10, 155,944.68 and 25,077.66

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Solution

The fourth proportional to 103,964.10, 155,944.68 and 25,077.66 is: 37,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,964.10 : 155,944.68 = 25,077.66 : x
  2. Step 2: Convert to fraction form
    103,964.10/155,944.68 = 25,077.66/x
  3. Step 3: Cross multiply
    103,964.10x = 155,944.68 × 25,077.66
  4. Step 4: Simplify right side
    103,964.10x = 3,910,727,663.85
  5. Step 5: Solve for x
    x = 3,910,727,663.85/103,964.10
  6. Step 6: Final answer
    x = 37,616.14

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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.