Home / 238,555.98-329,215.68-131,135.94

Finding the Fourth Proportional to 238,555.98, 329,215.68 and 131,135.94

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Solution

The fourth proportional to 238,555.98, 329,215.68 and 131,135.94 is: 180,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,555.98 : 329,215.68 = 131,135.94 : x
  2. Step 2: Convert to fraction form
    238,555.98/329,215.68 = 131,135.94/x
  3. Step 3: Cross multiply
    238,555.98x = 329,215.68 × 131,135.94
  4. Step 4: Simplify right side
    238,555.98x = 43,172,007,659.54
  5. Step 5: Solve for x
    x = 43,172,007,659.54/238,555.98
  6. Step 6: Final answer
    x = 180,972.23

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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.