Home / 238,703.88-329,404.76-131,273.90

Finding the Fourth Proportional to 238,703.88, 329,404.76 and 131,273.90

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Solution

The fourth proportional to 238,703.88, 329,404.76 and 131,273.90 is: 181,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,703.88 : 329,404.76 = 131,273.90 : x
  2. Step 2: Convert to fraction form
    238,703.88/329,404.76 = 131,273.90/x
  3. Step 3: Cross multiply
    238,703.88x = 329,404.76 × 131,273.90
  4. Step 4: Simplify right side
    238,703.88x = 43,242,247,523.76
  5. Step 5: Solve for x
    x = 43,242,247,523.76/238,703.88
  6. Step 6: Final answer
    x = 181,154.36

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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.