Home / 124,743.76-172,146.46-67,383.08

Finding the Fourth Proportional to 124,743.76, 172,146.46 and 67,383.08

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Solution

The fourth proportional to 124,743.76, 172,146.46 and 67,383.08 is: 92,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,743.76 : 172,146.46 = 67,383.08 : x
  2. Step 2: Convert to fraction form
    124,743.76/172,146.46 = 67,383.08/x
  3. Step 3: Cross multiply
    124,743.76x = 172,146.46 × 67,383.08
  4. Step 4: Simplify right side
    124,743.76x = 11,599,758,723.25
  5. Step 5: Solve for x
    x = 11,599,758,723.25/124,743.76
  6. Step 6: Final answer
    x = 92,988.69

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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.