Home / 179,669.90-247,943.97-103,193.96

Finding the Fourth Proportional to 179,669.90, 247,943.97 and 103,193.96

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Solution

The fourth proportional to 179,669.90, 247,943.97 and 103,193.96 is: 142,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669.90 : 247,943.97 = 103,193.96 : x
  2. Step 2: Convert to fraction form
    179,669.90/247,943.97 = 103,193.96/x
  3. Step 3: Cross multiply
    179,669.90x = 247,943.97 × 103,193.96
  4. Step 4: Simplify right side
    179,669.90x = 25,586,318,882.70
  5. Step 5: Solve for x
    x = 25,586,318,882.70/179,669.90
  6. Step 6: Final answer
    x = 142,407.37

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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.