Home / 238,675.12-329,380.17-131,253.32

Finding the Fourth Proportional to 238,675.12, 329,380.17 and 131,253.32

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Solution

The fourth proportional to 238,675.12, 329,380.17 and 131,253.32 is: 181,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,675.12 : 329,380.17 = 131,253.32 : x
  2. Step 2: Convert to fraction form
    238,675.12/329,380.17 = 131,253.32/x
  3. Step 3: Cross multiply
    238,675.12x = 329,380.17 × 131,253.32
  4. Step 4: Simplify right side
    238,675.12x = 43,232,240,854.66
  5. Step 5: Solve for x
    x = 43,232,240,854.66/238,675.12
  6. Step 6: Final answer
    x = 181,134.26

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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.