Home / 239,669.23-330,744.72-132,239.34

Finding the Fourth Proportional to 239,669.23, 330,744.72 and 132,239.34

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Solution

The fourth proportional to 239,669.23, 330,744.72 and 132,239.34 is: 182,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,669.23 : 330,744.72 = 132,239.34 : x
  2. Step 2: Convert to fraction form
    239,669.23/330,744.72 = 132,239.34/x
  3. Step 3: Cross multiply
    239,669.23x = 330,744.72 × 132,239.34
  4. Step 4: Simplify right side
    239,669.23x = 43,737,463,481.28
  5. Step 5: Solve for x
    x = 43,737,463,481.28/239,669.23
  6. Step 6: Final answer
    x = 182,490.94

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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.