Home / 239,350.73-330,289.17-131,921.66

Finding the Fourth Proportional to 239,350.73, 330,289.17 and 131,921.66

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Solution

The fourth proportional to 239,350.73, 330,289.17 and 131,921.66 is: 182,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,350.73 : 330,289.17 = 131,921.66 : x
  2. Step 2: Convert to fraction form
    239,350.73/330,289.17 = 131,921.66/x
  3. Step 3: Cross multiply
    239,350.73x = 330,289.17 × 131,921.66
  4. Step 4: Simplify right side
    239,350.73x = 43,572,295,586.42
  5. Step 5: Solve for x
    x = 43,572,295,586.42/239,350.73
  6. Step 6: Final answer
    x = 182,043.71

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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.