Home / 133,132.80-199,642.05-48,865.26

Finding the Fourth Proportional to 133,132.80, 199,642.05 and 48,865.26

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Solution

The fourth proportional to 133,132.80, 199,642.05 and 48,865.26 is: 73,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,132.80 : 199,642.05 = 48,865.26 : x
  2. Step 2: Convert to fraction form
    133,132.80/199,642.05 = 48,865.26/x
  3. Step 3: Cross multiply
    133,132.80x = 199,642.05 × 48,865.26
  4. Step 4: Simplify right side
    133,132.80x = 9,755,560,680.18
  5. Step 5: Solve for x
    x = 9,755,560,680.18/133,132.80
  6. Step 6: Final answer
    x = 73,276.91

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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.