Home / 238,699.85-329,398.25-131,269.55

Finding the Fourth Proportional to 238,699.85, 329,398.25 and 131,269.55

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Solution

The fourth proportional to 238,699.85, 329,398.25 and 131,269.55 is: 181,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,699.85 : 329,398.25 = 131,269.55 : x
  2. Step 2: Convert to fraction form
    238,699.85/329,398.25 = 131,269.55/x
  3. Step 3: Cross multiply
    238,699.85x = 329,398.25 × 131,269.55
  4. Step 4: Simplify right side
    238,699.85x = 43,239,957,744.95
  5. Step 5: Solve for x
    x = 43,239,957,744.95/238,699.85
  6. Step 6: Final answer
    x = 181,147.82

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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.