Home / 239,665.10-330,739.61-132,239.12

Finding the Fourth Proportional to 239,665.10, 330,739.61 and 132,239.12

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Solution

The fourth proportional to 239,665.10, 330,739.61 and 132,239.12 is: 182,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,665.10 : 330,739.61 = 132,239.12 : x
  2. Step 2: Convert to fraction form
    239,665.10/330,739.61 = 132,239.12/x
  3. Step 3: Cross multiply
    239,665.10x = 330,739.61 × 132,239.12
  4. Step 4: Simplify right side
    239,665.10x = 43,736,712,660.65
  5. Step 5: Solve for x
    x = 43,736,712,660.65/239,665.10
  6. Step 6: Final answer
    x = 182,490.96

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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.