Home / 231,914.88-347,921.97-71,987.30

Finding the Fourth Proportional to 231,914.88, 347,921.97 and 71,987.30

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Solution

The fourth proportional to 231,914.88, 347,921.97 and 71,987.30 is: 107,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,914.88 : 347,921.97 = 71,987.30 : x
  2. Step 2: Convert to fraction form
    231,914.88/347,921.97 = 71,987.30/x
  3. Step 3: Cross multiply
    231,914.88x = 347,921.97 × 71,987.30
  4. Step 4: Simplify right side
    231,914.88x = 25,045,962,526.13
  5. Step 5: Solve for x
    x = 25,045,962,526.13/231,914.88
  6. Step 6: Final answer
    x = 107,996.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.