Home / 124,714.31-172,109.53-68,129.33

Finding the Fourth Proportional to 124,714.31, 172,109.53 and 68,129.33

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Solution

The fourth proportional to 124,714.31, 172,109.53 and 68,129.33 is: 94,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,714.31 : 172,109.53 = 68,129.33 : x
  2. Step 2: Convert to fraction form
    124,714.31/172,109.53 = 68,129.33/x
  3. Step 3: Cross multiply
    124,714.31x = 172,109.53 × 68,129.33
  4. Step 4: Simplify right side
    124,714.31x = 11,725,707,480.95
  5. Step 5: Solve for x
    x = 11,725,707,480.95/124,714.31
  6. Step 6: Final answer
    x = 94,020.54

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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.