Home / 239,247.73-330,162.78-131,815.45

Finding the Fourth Proportional to 239,247.73, 330,162.78 and 131,815.45

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Solution

The fourth proportional to 239,247.73, 330,162.78 and 131,815.45 is: 181,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,247.73 : 330,162.78 = 131,815.45 : x
  2. Step 2: Convert to fraction form
    239,247.73/330,162.78 = 131,815.45/x
  3. Step 3: Cross multiply
    239,247.73x = 330,162.78 × 131,815.45
  4. Step 4: Simplify right side
    239,247.73x = 43,520,555,418.95
  5. Step 5: Solve for x
    x = 43,520,555,418.95/239,247.73
  6. Step 6: Final answer
    x = 181,905.82

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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.