Home / 122,947.47-169,665.84-69,233.13

Finding the Fourth Proportional to 122,947.47, 169,665.84 and 69,233.13

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Solution

The fourth proportional to 122,947.47, 169,665.84 and 69,233.13 is: 95,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,947.47 : 169,665.84 = 69,233.13 : x
  2. Step 2: Convert to fraction form
    122,947.47/169,665.84 = 69,233.13/x
  3. Step 3: Cross multiply
    122,947.47x = 169,665.84 × 69,233.13
  4. Step 4: Simplify right side
    122,947.47x = 11,746,497,157.28
  5. Step 5: Solve for x
    x = 11,746,497,157.28/122,947.47
  6. Step 6: Final answer
    x = 95,540.78

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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.