Home / 104,279.13-143,828.76-68,456.07

Finding the Fourth Proportional to 104,279.13, 143,828.76 and 68,456.07

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Solution

The fourth proportional to 104,279.13, 143,828.76 and 68,456.07 is: 94,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,279.13 : 143,828.76 = 68,456.07 : x
  2. Step 2: Convert to fraction form
    104,279.13/143,828.76 = 68,456.07/x
  3. Step 3: Cross multiply
    104,279.13x = 143,828.76 × 68,456.07
  4. Step 4: Simplify right side
    104,279.13x = 9,845,951,919.28
  5. Step 5: Solve for x
    x = 9,845,951,919.28/104,279.13
  6. Step 6: Final answer
    x = 94,419.20

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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.