Home / 146,949.68-220,420.26-87,386.73

Finding the Fourth Proportional to 146,949.68, 220,420.26 and 87,386.73

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Solution

The fourth proportional to 146,949.68, 220,420.26 and 87,386.73 is: 131,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,949.68 : 220,420.26 = 87,386.73 : x
  2. Step 2: Convert to fraction form
    146,949.68/220,420.26 = 87,386.73/x
  3. Step 3: Cross multiply
    146,949.68x = 220,420.26 × 87,386.73
  4. Step 4: Simplify right side
    146,949.68x = 19,261,805,747.15
  5. Step 5: Solve for x
    x = 19,261,805,747.15/146,949.68
  6. Step 6: Final answer
    x = 131,077.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.