Home / 123,167.92-169,971.87-66,579.25

Finding the Fourth Proportional to 123,167.92, 169,971.87 and 66,579.25

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Solution

The fourth proportional to 123,167.92, 169,971.87 and 66,579.25 is: 91,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,167.92 : 169,971.87 = 66,579.25 : x
  2. Step 2: Convert to fraction form
    123,167.92/169,971.87 = 66,579.25/x
  3. Step 3: Cross multiply
    123,167.92x = 169,971.87 × 66,579.25
  4. Step 4: Simplify right side
    123,167.92x = 11,316,599,625.70
  5. Step 5: Solve for x
    x = 11,316,599,625.70/123,167.92
  6. Step 6: Final answer
    x = 91,879.44

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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.