Home / 238,745.90-329,475.57-131,318.75

Finding the Fourth Proportional to 238,745.90, 329,475.57 and 131,318.75

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Solution

The fourth proportional to 238,745.90, 329,475.57 and 131,318.75 is: 181,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,745.90 : 329,475.57 = 131,318.75 : x
  2. Step 2: Convert to fraction form
    238,745.90/329,475.57 = 131,318.75/x
  3. Step 3: Cross multiply
    238,745.90x = 329,475.57 × 131,318.75
  4. Step 4: Simplify right side
    238,745.90x = 43,266,320,007.94
  5. Step 5: Solve for x
    x = 43,266,320,007.94/238,745.90
  6. Step 6: Final answer
    x = 181,223.30

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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.