Home / 239,572.80-330,584.20-132,136

Finding the Fourth Proportional to 239,572.80, 330,584.20 and 132,136

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Solution

The fourth proportional to 239,572.80, 330,584.20 and 132,136 is: 182,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,572.80 : 330,584.20 = 132,136 : x
  2. Step 2: Convert to fraction form
    239,572.80/330,584.20 = 132,136/x
  3. Step 3: Cross multiply
    239,572.80x = 330,584.20 × 132,136
  4. Step 4: Simplify right side
    239,572.80x = 43,682,073,851.20
  5. Step 5: Solve for x
    x = 43,682,073,851.20/239,572.80
  6. Step 6: Final answer
    x = 182,333.19

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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.