Home / 239,947.28-331,129.74-132,520.04

Finding the Fourth Proportional to 239,947.28, 331,129.74 and 132,520.04

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Solution

The fourth proportional to 239,947.28, 331,129.74 and 132,520.04 is: 182,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,947.28 : 331,129.74 = 132,520.04 : x
  2. Step 2: Convert to fraction form
    239,947.28/331,129.74 = 132,520.04/x
  3. Step 3: Cross multiply
    239,947.28x = 331,129.74 × 132,520.04
  4. Step 4: Simplify right side
    239,947.28x = 43,881,326,389.99
  5. Step 5: Solve for x
    x = 43,881,326,389.99/239,947.28
  6. Step 6: Final answer
    x = 182,879.03

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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.