Home / 239,814.92-330,942.82-132,385

Finding the Fourth Proportional to 239,814.92, 330,942.82 and 132,385

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Solution

The fourth proportional to 239,814.92, 330,942.82 and 132,385 is: 182,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,814.92 : 330,942.82 = 132,385 : x
  2. Step 2: Convert to fraction form
    239,814.92/330,942.82 = 132,385/x
  3. Step 3: Cross multiply
    239,814.92x = 330,942.82 × 132,385
  4. Step 4: Simplify right side
    239,814.92x = 43,811,865,225.70
  5. Step 5: Solve for x
    x = 43,811,865,225.70/239,814.92
  6. Step 6: Final answer
    x = 182,690.32

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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.