Home / 238,779.11-329,513.33-131,346.79

Finding the Fourth Proportional to 238,779.11, 329,513.33 and 131,346.79

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Solution

The fourth proportional to 238,779.11, 329,513.33 and 131,346.79 is: 181,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,779.11 : 329,513.33 = 131,346.79 : x
  2. Step 2: Convert to fraction form
    238,779.11/329,513.33 = 131,346.79/x
  3. Step 3: Cross multiply
    238,779.11x = 329,513.33 × 131,346.79
  4. Step 4: Simplify right side
    238,779.11x = 43,280,517,662.29
  5. Step 5: Solve for x
    x = 43,280,517,662.29/238,779.11
  6. Step 6: Final answer
    x = 181,257.55

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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.