Home / 239,426.88-330,411.33-132,000.72

Finding the Fourth Proportional to 239,426.88, 330,411.33 and 132,000.72

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Solution

The fourth proportional to 239,426.88, 330,411.33 and 132,000.72 is: 182,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,426.88 : 330,411.33 = 132,000.72 : x
  2. Step 2: Convert to fraction form
    239,426.88/330,411.33 = 132,000.72/x
  3. Step 3: Cross multiply
    239,426.88x = 330,411.33 × 132,000.72
  4. Step 4: Simplify right side
    239,426.88x = 43,614,533,456.16
  5. Step 5: Solve for x
    x = 43,614,533,456.16/239,426.88
  6. Step 6: Final answer
    x = 182,162.23

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1.5x scale

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.