Home / 238,649.84-329,338.01-131,226.80

Finding the Fourth Proportional to 238,649.84, 329,338.01 and 131,226.80

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Solution

The fourth proportional to 238,649.84, 329,338.01 and 131,226.80 is: 181,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,649.84 : 329,338.01 = 131,226.80 : x
  2. Step 2: Convert to fraction form
    238,649.84/329,338.01 = 131,226.80/x
  3. Step 3: Cross multiply
    238,649.84x = 329,338.01 × 131,226.80
  4. Step 4: Simplify right side
    238,649.84x = 43,217,972,514.53
  5. Step 5: Solve for x
    x = 43,217,972,514.53/238,649.84
  6. Step 6: Final answer
    x = 181,093.66

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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.