Home / 103,577.28-155,385.96-40,394.85

Finding the Fourth Proportional to 103,577.28, 155,385.96 and 40,394.85

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Solution

The fourth proportional to 103,577.28, 155,385.96 and 40,394.85 is: 60,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,577.28 : 155,385.96 = 40,394.85 : x
  2. Step 2: Convert to fraction form
    103,577.28/155,385.96 = 40,394.85/x
  3. Step 3: Cross multiply
    103,577.28x = 155,385.96 × 40,394.85
  4. Step 4: Simplify right side
    103,577.28x = 6,276,792,546.31
  5. Step 5: Solve for x
    x = 6,276,792,546.31/103,577.28
  6. Step 6: Final answer
    x = 60,600.09

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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.