Home / 238,673.12-329,377.41-131,251.32

Finding the Fourth Proportional to 238,673.12, 329,377.41 and 131,251.32

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Solution

The fourth proportional to 238,673.12, 329,377.41 and 131,251.32 is: 181,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,673.12 : 329,377.41 = 131,251.32 : x
  2. Step 2: Convert to fraction form
    238,673.12/329,377.41 = 131,251.32/x
  3. Step 3: Cross multiply
    238,673.12x = 329,377.41 × 131,251.32
  4. Step 4: Simplify right side
    238,673.12x = 43,231,219,840.68
  5. Step 5: Solve for x
    x = 43,231,219,840.68/238,673.12
  6. Step 6: Final answer
    x = 181,131.50

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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.