Home / 122,844.32-169,523.20-69,129.32

Finding the Fourth Proportional to 122,844.32, 169,523.20 and 69,129.32

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Solution

The fourth proportional to 122,844.32, 169,523.20 and 69,129.32 is: 95,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,844.32 : 169,523.20 = 69,129.32 : x
  2. Step 2: Convert to fraction form
    122,844.32/169,523.20 = 69,129.32/x
  3. Step 3: Cross multiply
    122,844.32x = 169,523.20 × 69,129.32
  4. Step 4: Simplify right side
    122,844.32x = 11,719,023,540.22
  5. Step 5: Solve for x
    x = 11,719,023,540.22/122,844.32
  6. Step 6: Final answer
    x = 95,397.36

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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.