Home / 122,712.24-169,357.92-68,999.52

Finding the Fourth Proportional to 122,712.24, 169,357.92 and 68,999.52

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Solution

The fourth proportional to 122,712.24, 169,357.92 and 68,999.52 is: 95,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,712.24 : 169,357.92 = 68,999.52 : x
  2. Step 2: Convert to fraction form
    122,712.24/169,357.92 = 68,999.52/x
  3. Step 3: Cross multiply
    122,712.24x = 169,357.92 × 68,999.52
  4. Step 4: Simplify right side
    122,712.24x = 11,685,615,188.20
  5. Step 5: Solve for x
    x = 11,685,615,188.20/122,712.24
  6. Step 6: Final answer
    x = 95,227.79

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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.