Home / 123,736.23-170,756.46-67,147.61

Finding the Fourth Proportional to 123,736.23, 170,756.46 and 67,147.61

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Solution

The fourth proportional to 123,736.23, 170,756.46 and 67,147.61 is: 92,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,736.23 : 170,756.46 = 67,147.61 : x
  2. Step 2: Convert to fraction form
    123,736.23/170,756.46 = 67,147.61/x
  3. Step 3: Cross multiply
    123,736.23x = 170,756.46 × 67,147.61
  4. Step 4: Simplify right side
    123,736.23x = 11,465,887,327.28
  5. Step 5: Solve for x
    x = 11,465,887,327.28/123,736.23
  6. Step 6: Final answer
    x = 92,663.95

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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.