Home / 239,278.55-330,218.89-131,848.45

Finding the Fourth Proportional to 239,278.55, 330,218.89 and 131,848.45

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Solution

The fourth proportional to 239,278.55, 330,218.89 and 131,848.45 is: 181,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,278.55 : 330,218.89 = 131,848.45 : x
  2. Step 2: Convert to fraction form
    239,278.55/330,218.89 = 131,848.45/x
  3. Step 3: Cross multiply
    239,278.55x = 330,218.89 × 131,848.45
  4. Step 4: Simplify right side
    239,278.55x = 43,538,847,156.13
  5. Step 5: Solve for x
    x = 43,538,847,156.13/239,278.55
  6. Step 6: Final answer
    x = 181,958.84

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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.