Home / 238,638.74-329,318.50-131,207.83

Finding the Fourth Proportional to 238,638.74, 329,318.50 and 131,207.83

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Solution

The fourth proportional to 238,638.74, 329,318.50 and 131,207.83 is: 181,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,638.74 : 329,318.50 = 131,207.83 : x
  2. Step 2: Convert to fraction form
    238,638.74/329,318.50 = 131,207.83/x
  3. Step 3: Cross multiply
    238,638.74x = 329,318.50 × 131,207.83
  4. Step 4: Simplify right side
    238,638.74x = 43,209,165,763.86
  5. Step 5: Solve for x
    x = 43,209,165,763.86/238,638.74
  6. Step 6: Final answer
    x = 181,065.18

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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.