Home / 122,724.93-169,357.02-69,008.55

Finding the Fourth Proportional to 122,724.93, 169,357.02 and 69,008.55

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Solution

The fourth proportional to 122,724.93, 169,357.02 and 69,008.55 is: 95,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,724.93 : 169,357.02 = 69,008.55 : x
  2. Step 2: Convert to fraction form
    122,724.93/169,357.02 = 69,008.55/x
  3. Step 3: Cross multiply
    122,724.93x = 169,357.02 × 69,008.55
  4. Step 4: Simplify right side
    122,724.93x = 11,687,082,382.52
  5. Step 5: Solve for x
    x = 11,687,082,382.52/122,724.93
  6. Step 6: Final answer
    x = 95,229.90

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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.