Home / 238,675.40-329,380.50-131,253.60

Finding the Fourth Proportional to 238,675.40, 329,380.50 and 131,253.60

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Solution

The fourth proportional to 238,675.40, 329,380.50 and 131,253.60 is: 181,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,675.40 : 329,380.50 = 131,253.60 : x
  2. Step 2: Convert to fraction form
    238,675.40/329,380.50 = 131,253.60/x
  3. Step 3: Cross multiply
    238,675.40x = 329,380.50 × 131,253.60
  4. Step 4: Simplify right side
    238,675.40x = 43,232,376,394.80
  5. Step 5: Solve for x
    x = 43,232,376,394.80/238,675.40
  6. Step 6: Final answer
    x = 181,134.61

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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.