Home / 124,743.76-172,144.38-68,153.92

Finding the Fourth Proportional to 124,743.76, 172,144.38 and 68,153.92

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Solution

The fourth proportional to 124,743.76, 172,144.38 and 68,153.92 is: 94,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,743.76 : 172,144.38 = 68,153.92 : x
  2. Step 2: Convert to fraction form
    124,743.76/172,144.38 = 68,153.92/x
  3. Step 3: Cross multiply
    124,743.76x = 172,144.38 × 68,153.92
  4. Step 4: Simplify right side
    124,743.76x = 11,732,314,302.97
  5. Step 5: Solve for x
    x = 11,732,314,302.97/124,743.76
  6. Step 6: Final answer
    x = 94,051.31

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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.