Home / 239,583.20-330,627.12-132,157.76

Finding the Fourth Proportional to 239,583.20, 330,627.12 and 132,157.76

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Solution

The fourth proportional to 239,583.20, 330,627.12 and 132,157.76 is: 182,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,583.20 : 330,627.12 = 132,157.76 : x
  2. Step 2: Convert to fraction form
    239,583.20/330,627.12 = 132,157.76/x
  3. Step 3: Cross multiply
    239,583.20x = 330,627.12 × 132,157.76
  4. Step 4: Simplify right side
    239,583.20x = 43,694,939,574.45
  5. Step 5: Solve for x
    x = 43,694,939,574.45/239,583.20
  6. Step 6: Final answer
    x = 182,378.98

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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.