Home / 124,714.44-172,109.71-68,129.46

Finding the Fourth Proportional to 124,714.44, 172,109.71 and 68,129.46

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Solution

The fourth proportional to 124,714.44, 172,109.71 and 68,129.46 is: 94,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,714.44 : 172,109.71 = 68,129.46 : x
  2. Step 2: Convert to fraction form
    124,714.44/172,109.71 = 68,129.46/x
  3. Step 3: Cross multiply
    124,714.44x = 172,109.71 × 68,129.46
  4. Step 4: Simplify right side
    124,714.44x = 11,725,741,262.41
  5. Step 5: Solve for x
    x = 11,725,741,262.41/124,714.44
  6. Step 6: Final answer
    x = 94,020.72

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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.