Home / 122,934.72-169,635.87-69,218.36

Finding the Fourth Proportional to 122,934.72, 169,635.87 and 69,218.36

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Solution

The fourth proportional to 122,934.72, 169,635.87 and 69,218.36 is: 95,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,934.72 : 169,635.87 = 69,218.36 : x
  2. Step 2: Convert to fraction form
    122,934.72/169,635.87 = 69,218.36/x
  3. Step 3: Cross multiply
    122,934.72x = 169,635.87 × 69,218.36
  4. Step 4: Simplify right side
    122,934.72x = 11,741,915,870.39
  5. Step 5: Solve for x
    x = 11,741,915,870.39/122,934.72
  6. Step 6: Final answer
    x = 95,513.42

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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.