Home / 115,091.44-158,771.17-89,422.13

Finding the Fourth Proportional to 115,091.44, 158,771.17 and 89,422.13

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Solution

The fourth proportional to 115,091.44, 158,771.17 and 89,422.13 is: 123,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,091.44 : 158,771.17 = 89,422.13 : x
  2. Step 2: Convert to fraction form
    115,091.44/158,771.17 = 89,422.13/x
  3. Step 3: Cross multiply
    115,091.44x = 158,771.17 × 89,422.13
  4. Step 4: Simplify right side
    115,091.44x = 14,197,656,203.99
  5. Step 5: Solve for x
    x = 14,197,656,203.99/115,091.44
  6. Step 6: Final answer
    x = 123,359.79

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1.5x scale

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.