Home / 238,981.02-329,791.26-131,548.80

Finding the Fourth Proportional to 238,981.02, 329,791.26 and 131,548.80

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Solution

The fourth proportional to 238,981.02, 329,791.26 and 131,548.80 is: 181,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,981.02 : 329,791.26 = 131,548.80 : x
  2. Step 2: Convert to fraction form
    238,981.02/329,791.26 = 131,548.80/x
  3. Step 3: Cross multiply
    238,981.02x = 329,791.26 × 131,548.80
  4. Step 4: Simplify right side
    238,981.02x = 43,383,644,503.49
  5. Step 5: Solve for x
    x = 43,383,644,503.49/238,981.02
  6. Step 6: Final answer
    x = 181,535.94

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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.