Home / 239,771.10-330,887.52-132,340.80

Finding the Fourth Proportional to 239,771.10, 330,887.52 and 132,340.80

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Solution

The fourth proportional to 239,771.10, 330,887.52 and 132,340.80 is: 182,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,771.10 : 330,887.52 = 132,340.80 : x
  2. Step 2: Convert to fraction form
    239,771.10/330,887.52 = 132,340.80/x
  3. Step 3: Cross multiply
    239,771.10x = 330,887.52 × 132,340.80
  4. Step 4: Simplify right side
    239,771.10x = 43,789,919,106.82
  5. Step 5: Solve for x
    x = 43,789,919,106.82/239,771.10
  6. Step 6: Final answer
    x = 182,632.18

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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.