Home / 123,284.28-170,132.22-66,695.70

Finding the Fourth Proportional to 123,284.28, 170,132.22 and 66,695.70

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Solution

The fourth proportional to 123,284.28, 170,132.22 and 66,695.70 is: 92,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,284.28 : 170,132.22 = 66,695.70 : x
  2. Step 2: Convert to fraction form
    123,284.28/170,132.22 = 66,695.70/x
  3. Step 3: Cross multiply
    123,284.28x = 170,132.22 × 66,695.70
  4. Step 4: Simplify right side
    123,284.28x = 11,347,087,505.45
  5. Step 5: Solve for x
    x = 11,347,087,505.45/123,284.28
  6. Step 6: Final answer
    x = 92,040.02

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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.