Home / 122,929.76-169,659.96-69,236.48

Finding the Fourth Proportional to 122,929.76, 169,659.96 and 69,236.48

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Solution

The fourth proportional to 122,929.76, 169,659.96 and 69,236.48 is: 95,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,929.76 : 169,659.96 = 69,236.48 : x
  2. Step 2: Convert to fraction form
    122,929.76/169,659.96 = 69,236.48/x
  3. Step 3: Cross multiply
    122,929.76x = 169,659.96 × 69,236.48
  4. Step 4: Simplify right side
    122,929.76x = 11,746,658,427.34
  5. Step 5: Solve for x
    x = 11,746,658,427.34/122,929.76
  6. Step 6: Final answer
    x = 95,555.86

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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.