Home / 239,932.76-360,120.57-121,687.16

Finding the Fourth Proportional to 239,932.76, 360,120.57 and 121,687.16

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Solution

The fourth proportional to 239,932.76, 360,120.57 and 121,687.16 is: 182,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,932.76 : 360,120.57 = 121,687.16 : x
  2. Step 2: Convert to fraction form
    239,932.76/360,120.57 = 121,687.16/x
  3. Step 3: Cross multiply
    239,932.76x = 360,120.57 × 121,687.16
  4. Step 4: Simplify right side
    239,932.76x = 43,822,049,420.88
  5. Step 5: Solve for x
    x = 43,822,049,420.88/239,932.76
  6. Step 6: Final answer
    x = 182,643.04

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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.