Home / 103,301.20-155,279.85-97,396.30

Finding the Fourth Proportional to 103,301.20, 155,279.85 and 97,396.30

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Solution

The fourth proportional to 103,301.20, 155,279.85 and 97,396.30 is: 146,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,301.20 : 155,279.85 = 97,396.30 : x
  2. Step 2: Convert to fraction form
    103,301.20/155,279.85 = 97,396.30/x
  3. Step 3: Cross multiply
    103,301.20x = 155,279.85 × 97,396.30
  4. Step 4: Simplify right side
    103,301.20x = 15,123,682,854.56
  5. Step 5: Solve for x
    x = 15,123,682,854.56/103,301.20
  6. Step 6: Final answer
    x = 146,403.75

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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.