Home / 238,961.49-329,764.24-131,529.21

Finding the Fourth Proportional to 238,961.49, 329,764.24 and 131,529.21

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Solution

The fourth proportional to 238,961.49, 329,764.24 and 131,529.21 is: 181,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,961.49 : 329,764.24 = 131,529.21 : x
  2. Step 2: Convert to fraction form
    238,961.49/329,764.24 = 131,529.21/x
  3. Step 3: Cross multiply
    238,961.49x = 329,764.24 × 131,529.21
  4. Step 4: Simplify right side
    238,961.49x = 43,373,629,973.45
  5. Step 5: Solve for x
    x = 43,373,629,973.45/238,961.49
  6. Step 6: Final answer
    x = 181,508.87

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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.