Home / 179,782.96-247,995.72-115,229.20

Finding the Fourth Proportional to 179,782.96, 247,995.72 and 115,229.20

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Solution

The fourth proportional to 179,782.96, 247,995.72 and 115,229.20 is: 158,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,782.96 : 247,995.72 = 115,229.20 : x
  2. Step 2: Convert to fraction form
    179,782.96/247,995.72 = 115,229.20/x
  3. Step 3: Cross multiply
    179,782.96x = 247,995.72 × 115,229.20
  4. Step 4: Simplify right side
    179,782.96x = 28,576,347,179.05
  5. Step 5: Solve for x
    x = 28,576,347,179.05/179,782.96
  6. Step 6: Final answer
    x = 158,949.15

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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.