Home / 231,902.04-320,028.84-129,926.82

Finding the Fourth Proportional to 231,902.04, 320,028.84 and 129,926.82

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Solution

The fourth proportional to 231,902.04, 320,028.84 and 129,926.82 is: 179,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,902.04 : 320,028.84 = 129,926.82 : x
  2. Step 2: Convert to fraction form
    231,902.04/320,028.84 = 129,926.82/x
  3. Step 3: Cross multiply
    231,902.04x = 320,028.84 × 129,926.82
  4. Step 4: Simplify right side
    231,902.04x = 41,580,329,489.49
  5. Step 5: Solve for x
    x = 41,580,329,489.49/231,902.04
  6. Step 6: Final answer
    x = 179,301.27

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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.