Home / 239,193.28-330,074.49-131,761

Finding the Fourth Proportional to 239,193.28, 330,074.49 and 131,761

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Solution

The fourth proportional to 239,193.28, 330,074.49 and 131,761 is: 181,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,193.28 : 330,074.49 = 131,761 : x
  2. Step 2: Convert to fraction form
    239,193.28/330,074.49 = 131,761/x
  3. Step 3: Cross multiply
    239,193.28x = 330,074.49 × 131,761
  4. Step 4: Simplify right side
    239,193.28x = 43,490,944,876.89
  5. Step 5: Solve for x
    x = 43,490,944,876.89/239,193.28
  6. Step 6: Final answer
    x = 181,823.44

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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.