Home / 122,839.27-169,516.16-69,124.25

Finding the Fourth Proportional to 122,839.27, 169,516.16 and 69,124.25

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Solution

The fourth proportional to 122,839.27, 169,516.16 and 69,124.25 is: 95,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,839.27 : 169,516.16 = 69,124.25 : x
  2. Step 2: Convert to fraction form
    122,839.27/169,516.16 = 69,124.25/x
  3. Step 3: Cross multiply
    122,839.27x = 169,516.16 × 69,124.25
  4. Step 4: Simplify right side
    122,839.27x = 11,717,677,760.27
  5. Step 5: Solve for x
    x = 11,717,677,760.27/122,839.27
  6. Step 6: Final answer
    x = 95,390.33

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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.