Home / 103,629.52-155,444.26-68,560.96

Finding the Fourth Proportional to 103,629.52, 155,444.26 and 68,560.96

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Solution

The fourth proportional to 103,629.52, 155,444.26 and 68,560.96 is: 102,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.52 : 155,444.26 = 68,560.96 : x
  2. Step 2: Convert to fraction form
    103,629.52/155,444.26 = 68,560.96/x
  3. Step 3: Cross multiply
    103,629.52x = 155,444.26 × 68,560.96
  4. Step 4: Simplify right side
    103,629.52x = 10,657,407,692.09
  5. Step 5: Solve for x
    x = 10,657,407,692.09/103,629.52
  6. Step 6: Final answer
    x = 102,841.43

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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.