Home / 103,901.80-155,622.30-41,540.20

Finding the Fourth Proportional to 103,901.80, 155,622.30 and 41,540.20

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Solution

The fourth proportional to 103,901.80, 155,622.30 and 41,540.20 is: 62,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,901.80 : 155,622.30 = 41,540.20 : x
  2. Step 2: Convert to fraction form
    103,901.80/155,622.30 = 41,540.20/x
  3. Step 3: Cross multiply
    103,901.80x = 155,622.30 × 41,540.20
  4. Step 4: Simplify right side
    103,901.80x = 6,464,581,466.46
  5. Step 5: Solve for x
    x = 6,464,581,466.46/103,901.80
  6. Step 6: Final answer
    x = 62,218.19

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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.