Home / 101,500.08-152,265.48-73,630.43

Finding the Fourth Proportional to 101,500.08, 152,265.48 and 73,630.43

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Solution

The fourth proportional to 101,500.08, 152,265.48 and 73,630.43 is: 110,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,500.08 : 152,265.48 = 73,630.43 : x
  2. Step 2: Convert to fraction form
    101,500.08/152,265.48 = 73,630.43/x
  3. Step 3: Cross multiply
    101,500.08x = 152,265.48 × 73,630.43
  4. Step 4: Simplify right side
    101,500.08x = 11,211,372,766.56
  5. Step 5: Solve for x
    x = 11,211,372,766.56/101,500.08
  6. Step 6: Final answer
    x = 110,456.79

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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.