Home / 122,828.89-169,502.77-69,112.83

Finding the Fourth Proportional to 122,828.89, 169,502.77 and 69,112.83

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Solution

The fourth proportional to 122,828.89, 169,502.77 and 69,112.83 is: 95,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,828.89 : 169,502.77 = 69,112.83 : x
  2. Step 2: Convert to fraction form
    122,828.89/169,502.77 = 69,112.83/x
  3. Step 3: Cross multiply
    122,828.89x = 169,502.77 × 69,112.83
  4. Step 4: Simplify right side
    122,828.89x = 11,714,815,954.76
  5. Step 5: Solve for x
    x = 11,714,815,954.76/122,828.89
  6. Step 6: Final answer
    x = 95,375.09

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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.