Home / 179,279.36-247,419.79-102,805.46

Finding the Fourth Proportional to 179,279.36, 247,419.79 and 102,805.46

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Solution

The fourth proportional to 179,279.36, 247,419.79 and 102,805.46 is: 141,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,279.36 : 247,419.79 = 102,805.46 : x
  2. Step 2: Convert to fraction form
    179,279.36/247,419.79 = 102,805.46/x
  3. Step 3: Cross multiply
    179,279.36x = 247,419.79 × 102,805.46
  4. Step 4: Simplify right side
    179,279.36x = 25,436,103,829.94
  5. Step 5: Solve for x
    x = 25,436,103,829.94/179,279.36
  6. Step 6: Final answer
    x = 141,879.72

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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.