Home / 123,875.26-170,948.76-67,286.66

Finding the Fourth Proportional to 123,875.26, 170,948.76 and 67,286.66

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Solution

The fourth proportional to 123,875.26, 170,948.76 and 67,286.66 is: 92,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,875.26 : 170,948.76 = 67,286.66 : x
  2. Step 2: Convert to fraction form
    123,875.26/170,948.76 = 67,286.66/x
  3. Step 3: Cross multiply
    123,875.26x = 170,948.76 × 67,286.66
  4. Step 4: Simplify right side
    123,875.26x = 11,502,571,091.54
  5. Step 5: Solve for x
    x = 11,502,571,091.54/123,875.26
  6. Step 6: Final answer
    x = 92,856.08

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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.