Home / 124,743.74-172,146.42-67,383.06

Finding the Fourth Proportional to 124,743.74, 172,146.42 and 67,383.06

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Solution

The fourth proportional to 124,743.74, 172,146.42 and 67,383.06 is: 92,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,743.74 : 172,146.42 = 67,383.06 : x
  2. Step 2: Convert to fraction form
    124,743.74/172,146.42 = 67,383.06/x
  3. Step 3: Cross multiply
    124,743.74x = 172,146.42 × 67,383.06
  4. Step 4: Simplify right side
    124,743.74x = 11,599,752,365.28
  5. Step 5: Solve for x
    x = 11,599,752,365.28/124,743.74
  6. Step 6: Final answer
    x = 92,988.65

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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.