Home / 122,799.28-169,456.08-69,086.56

Finding the Fourth Proportional to 122,799.28, 169,456.08 and 69,086.56

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Solution

The fourth proportional to 122,799.28, 169,456.08 and 69,086.56 is: 95,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,799.28 : 169,456.08 = 69,086.56 : x
  2. Step 2: Convert to fraction form
    122,799.28/169,456.08 = 69,086.56/x
  3. Step 3: Cross multiply
    122,799.28x = 169,456.08 × 69,086.56
  4. Step 4: Simplify right side
    122,799.28x = 11,707,137,638.28
  5. Step 5: Solve for x
    x = 11,707,137,638.28/122,799.28
  6. Step 6: Final answer
    x = 95,335.56

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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.