Home / 238,548.96-329,198.40-131,128.32

Finding the Fourth Proportional to 238,548.96, 329,198.40 and 131,128.32

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Solution

The fourth proportional to 238,548.96, 329,198.40 and 131,128.32 is: 180,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,548.96 : 329,198.40 = 131,128.32 : x
  2. Step 2: Convert to fraction form
    238,548.96/329,198.40 = 131,128.32/x
  3. Step 3: Cross multiply
    238,548.96x = 329,198.40 × 131,128.32
  4. Step 4: Simplify right side
    238,548.96x = 43,167,233,138.69
  5. Step 5: Solve for x
    x = 43,167,233,138.69/238,548.96
  6. Step 6: Final answer
    x = 180,957.54

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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.