Home / 122,983.28-169,715.16-69,268.88

Finding the Fourth Proportional to 122,983.28, 169,715.16 and 69,268.88

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Solution

The fourth proportional to 122,983.28, 169,715.16 and 69,268.88 is: 95,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,983.28 : 169,715.16 = 69,268.88 : x
  2. Step 2: Convert to fraction form
    122,983.28/169,715.16 = 69,268.88/x
  3. Step 3: Cross multiply
    122,983.28x = 169,715.16 × 69,268.88
  4. Step 4: Simplify right side
    122,983.28x = 11,755,979,052.22
  5. Step 5: Solve for x
    x = 11,755,979,052.22/122,983.28
  6. Step 6: Final answer
    x = 95,590.06

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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.