Home / 103,613.13-155,419.70-41,327.37

Finding the Fourth Proportional to 103,613.13, 155,419.70 and 41,327.37

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Solution

The fourth proportional to 103,613.13, 155,419.70 and 41,327.37 is: 61,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613.13 : 155,419.70 = 41,327.37 : x
  2. Step 2: Convert to fraction form
    103,613.13/155,419.70 = 41,327.37/x
  3. Step 3: Cross multiply
    103,613.13x = 155,419.70 × 41,327.37
  4. Step 4: Simplify right side
    103,613.13x = 6,423,087,447.19
  5. Step 5: Solve for x
    x = 6,423,087,447.19/103,613.13
  6. Step 6: Final answer
    x = 61,991.06

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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.