Home / 239,278.20-330,218.42-131,848.11

Finding the Fourth Proportional to 239,278.20, 330,218.42 and 131,848.11

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Solution

The fourth proportional to 239,278.20, 330,218.42 and 131,848.11 is: 181,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,278.20 : 330,218.42 = 131,848.11 : x
  2. Step 2: Convert to fraction form
    239,278.20/330,218.42 = 131,848.11/x
  3. Step 3: Cross multiply
    239,278.20x = 330,218.42 × 131,848.11
  4. Step 4: Simplify right side
    239,278.20x = 43,538,673,904.95
  5. Step 5: Solve for x
    x = 43,538,673,904.95/239,278.20
  6. Step 6: Final answer
    x = 181,958.38

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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.