Home / 122,224.29-168,666.30-68,512.78

Finding the Fourth Proportional to 122,224.29, 168,666.30 and 68,512.78

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Solution

The fourth proportional to 122,224.29, 168,666.30 and 68,512.78 is: 94,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,224.29 : 168,666.30 = 68,512.78 : x
  2. Step 2: Convert to fraction form
    122,224.29/168,666.30 = 68,512.78/x
  3. Step 3: Cross multiply
    122,224.29x = 168,666.30 × 68,512.78
  4. Step 4: Simplify right side
    122,224.29x = 11,555,797,105.31
  5. Step 5: Solve for x
    x = 11,555,797,105.31/122,224.29
  6. Step 6: Final answer
    x = 94,545.83

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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.