Home / 123,850.60-171,226.19-91,534.26

Finding the Fourth Proportional to 123,850.60, 171,226.19 and 91,534.26

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Solution

The fourth proportional to 123,850.60, 171,226.19 and 91,534.26 is: 126,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,850.60 : 171,226.19 = 91,534.26 : x
  2. Step 2: Convert to fraction form
    123,850.60/171,226.19 = 91,534.26/x
  3. Step 3: Cross multiply
    123,850.60x = 171,226.19 × 91,534.26
  4. Step 4: Simplify right side
    123,850.60x = 15,673,061,280.47
  5. Step 5: Solve for x
    x = 15,673,061,280.47/123,850.60
  6. Step 6: Final answer
    x = 126,548.13

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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.