Home / 238,673.15-329,377.40-131,251.35

Finding the Fourth Proportional to 238,673.15, 329,377.40 and 131,251.35

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Solution

The fourth proportional to 238,673.15, 329,377.40 and 131,251.35 is: 181,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,673.15 : 329,377.40 = 131,251.35 : x
  2. Step 2: Convert to fraction form
    238,673.15/329,377.40 = 131,251.35/x
  3. Step 3: Cross multiply
    238,673.15x = 329,377.40 × 131,251.35
  4. Step 4: Simplify right side
    238,673.15x = 43,231,227,753.23
  5. Step 5: Solve for x
    x = 43,231,227,753.23/238,673.15
  6. Step 6: Final answer
    x = 181,131.51

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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.