Home / 239,821.47-330,953.67-132,391.56

Finding the Fourth Proportional to 239,821.47, 330,953.67 and 132,391.56

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Solution

The fourth proportional to 239,821.47, 330,953.67 and 132,391.56 is: 182,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,821.47 : 330,953.67 = 132,391.56 : x
  2. Step 2: Convert to fraction form
    239,821.47/330,953.67 = 132,391.56/x
  3. Step 3: Cross multiply
    239,821.47x = 330,953.67 × 132,391.56
  4. Step 4: Simplify right side
    239,821.47x = 43,815,472,659.03
  5. Step 5: Solve for x
    x = 43,815,472,659.03/239,821.47
  6. Step 6: Final answer
    x = 182,700.38

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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.