Home / 122,891.22-169,555.92-69,173.10

Finding the Fourth Proportional to 122,891.22, 169,555.92 and 69,173.10

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Solution

The fourth proportional to 122,891.22, 169,555.92 and 69,173.10 is: 95,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,891.22 : 169,555.92 = 69,173.10 : x
  2. Step 2: Convert to fraction form
    122,891.22/169,555.92 = 69,173.10/x
  3. Step 3: Cross multiply
    122,891.22x = 169,555.92 × 69,173.10
  4. Step 4: Simplify right side
    122,891.22x = 11,728,708,609.75
  5. Step 5: Solve for x
    x = 11,728,708,609.75/122,891.22
  6. Step 6: Final answer
    x = 95,439.76

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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.