Home / 122,916.68-169,641.17-69,212.16

Finding the Fourth Proportional to 122,916.68, 169,641.17 and 69,212.16

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Solution

The fourth proportional to 122,916.68, 169,641.17 and 69,212.16 is: 95,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,916.68 : 169,641.17 = 69,212.16 : x
  2. Step 2: Convert to fraction form
    122,916.68/169,641.17 = 69,212.16/x
  3. Step 3: Cross multiply
    122,916.68x = 169,641.17 × 69,212.16
  4. Step 4: Simplify right side
    122,916.68x = 11,741,231,454.57
  5. Step 5: Solve for x
    x = 11,741,231,454.57/122,916.68
  6. Step 6: Final answer
    x = 95,521.88

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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.