Home / 239,585.20-330,629.88-132,159.76

Finding the Fourth Proportional to 239,585.20, 330,629.88 and 132,159.76

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Solution

The fourth proportional to 239,585.20, 330,629.88 and 132,159.76 is: 182,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,585.20 : 330,629.88 = 132,159.76 : x
  2. Step 2: Convert to fraction form
    239,585.20/330,629.88 = 132,159.76/x
  3. Step 3: Cross multiply
    239,585.20x = 330,629.88 × 132,159.76
  4. Step 4: Simplify right side
    239,585.20x = 43,695,965,589.63
  5. Step 5: Solve for x
    x = 43,695,965,589.63/239,585.20
  6. Step 6: Final answer
    x = 182,381.74

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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.