Home / 123,515.44-170,451.90-66,926.92

Finding the Fourth Proportional to 123,515.44, 170,451.90 and 66,926.92

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Solution

The fourth proportional to 123,515.44, 170,451.90 and 66,926.92 is: 92,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,515.44 : 170,451.90 = 66,926.92 : x
  2. Step 2: Convert to fraction form
    123,515.44/170,451.90 = 66,926.92/x
  3. Step 3: Cross multiply
    123,515.44x = 170,451.90 × 66,926.92
  4. Step 4: Simplify right side
    123,515.44x = 11,407,820,675.15
  5. Step 5: Solve for x
    x = 11,407,820,675.15/123,515.44
  6. Step 6: Final answer
    x = 92,359.47

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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.