Home / 122,494.28-169,081.73-79,397.72

Finding the Fourth Proportional to 122,494.28, 169,081.73 and 79,397.72

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Solution

The fourth proportional to 122,494.28, 169,081.73 and 79,397.72 is: 109,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,494.28 : 169,081.73 = 79,397.72 : x
  2. Step 2: Convert to fraction form
    122,494.28/169,081.73 = 79,397.72/x
  3. Step 3: Cross multiply
    122,494.28x = 169,081.73 × 79,397.72
  4. Step 4: Simplify right side
    122,494.28x = 13,424,703,545.06
  5. Step 5: Solve for x
    x = 13,424,703,545.06/122,494.28
  6. Step 6: Final answer
    x = 109,594.54

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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.