Home / 239,795.20-330,917.43-132,365.29

Finding the Fourth Proportional to 239,795.20, 330,917.43 and 132,365.29

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Solution

The fourth proportional to 239,795.20, 330,917.43 and 132,365.29 is: 182,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,795.20 : 330,917.43 = 132,365.29 : x
  2. Step 2: Convert to fraction form
    239,795.20/330,917.43 = 132,365.29/x
  3. Step 3: Cross multiply
    239,795.20x = 330,917.43 × 132,365.29
  4. Step 4: Simplify right side
    239,795.20x = 43,801,981,588.00
  5. Step 5: Solve for x
    x = 43,801,981,588.00/239,795.20
  6. Step 6: Final answer
    x = 182,664.13

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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.