Home / 135,753.20-187,336.55-75,322.54

Finding the Fourth Proportional to 135,753.20, 187,336.55 and 75,322.54

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Solution

The fourth proportional to 135,753.20, 187,336.55 and 75,322.54 is: 103,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.20 : 187,336.55 = 75,322.54 : x
  2. Step 2: Convert to fraction form
    135,753.20/187,336.55 = 75,322.54/x
  3. Step 3: Cross multiply
    135,753.20x = 187,336.55 × 75,322.54
  4. Step 4: Simplify right side
    135,753.20x = 14,110,665,203.31
  5. Step 5: Solve for x
    x = 14,110,665,203.31/135,753.20
  6. Step 6: Final answer
    x = 103,943.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.