Home / 238,871.12-329,634.96-131,441.36

Finding the Fourth Proportional to 238,871.12, 329,634.96 and 131,441.36

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Solution

The fourth proportional to 238,871.12, 329,634.96 and 131,441.36 is: 181,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,871.12 : 329,634.96 = 131,441.36 : x
  2. Step 2: Convert to fraction form
    238,871.12/329,634.96 = 131,441.36/x
  3. Step 3: Cross multiply
    238,871.12x = 329,634.96 × 131,441.36
  4. Step 4: Simplify right side
    238,871.12x = 43,327,667,445.95
  5. Step 5: Solve for x
    x = 43,327,667,445.95/238,871.12
  6. Step 6: Final answer
    x = 181,385.12

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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.