Home / 239,819.94-330,942.84-132,387.67

Finding the Fourth Proportional to 239,819.94, 330,942.84 and 132,387.67

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Solution

The fourth proportional to 239,819.94, 330,942.84 and 132,387.67 is: 182,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.94 : 330,942.84 = 132,387.67 : x
  2. Step 2: Convert to fraction form
    239,819.94/330,942.84 = 132,387.67/x
  3. Step 3: Cross multiply
    239,819.94x = 330,942.84 × 132,387.67
  4. Step 4: Simplify right side
    239,819.94x = 43,812,751,490.78
  5. Step 5: Solve for x
    x = 43,812,751,490.78/239,819.94
  6. Step 6: Final answer
    x = 182,690.19

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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.