Home / 122,828.64-169,502.42-69,112.58

Finding the Fourth Proportional to 122,828.64, 169,502.42 and 69,112.58

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Solution

The fourth proportional to 122,828.64, 169,502.42 and 69,112.58 is: 95,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,828.64 : 169,502.42 = 69,112.58 : x
  2. Step 2: Convert to fraction form
    122,828.64/169,502.42 = 69,112.58/x
  3. Step 3: Cross multiply
    122,828.64x = 169,502.42 × 69,112.58
  4. Step 4: Simplify right side
    122,828.64x = 11,714,749,562.44
  5. Step 5: Solve for x
    x = 11,714,749,562.44/122,828.64
  6. Step 6: Final answer
    x = 95,374.74

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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.