Home / 231,917.13-347,925.35-71,989.56

Finding the Fourth Proportional to 231,917.13, 347,925.35 and 71,989.56

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Solution

The fourth proportional to 231,917.13, 347,925.35 and 71,989.56 is: 107,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,917.13 : 347,925.35 = 71,989.56 : x
  2. Step 2: Convert to fraction form
    231,917.13/347,925.35 = 71,989.56/x
  3. Step 3: Cross multiply
    231,917.13x = 347,925.35 × 71,989.56
  4. Step 4: Simplify right side
    231,917.13x = 25,046,992,499.40
  5. Step 5: Solve for x
    x = 25,046,992,499.40/231,917.13
  6. Step 6: Final answer
    x = 107,999.75

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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.