Home / 89,255.04-123,170.92-51,528.48

Finding the Fourth Proportional to 89,255.04, 123,170.92 and 51,528.48

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Solution

The fourth proportional to 89,255.04, 123,170.92 and 51,528.48 is: 71,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,255.04 : 123,170.92 = 51,528.48 : x
  2. Step 2: Convert to fraction form
    89,255.04/123,170.92 = 51,528.48/x
  3. Step 3: Cross multiply
    89,255.04x = 123,170.92 × 51,528.48
  4. Step 4: Simplify right side
    89,255.04x = 6,346,810,287.80
  5. Step 5: Solve for x
    x = 6,346,810,287.80/89,255.04
  6. Step 6: Final answer
    x = 71,108.70

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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.