Home / 231,947.11-347,975.13-72,014.83

Finding the Fourth Proportional to 231,947.11, 347,975.13 and 72,014.83

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Solution

The fourth proportional to 231,947.11, 347,975.13 and 72,014.83 is: 108,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,947.11 : 347,975.13 = 72,014.83 : x
  2. Step 2: Convert to fraction form
    231,947.11/347,975.13 = 72,014.83/x
  3. Step 3: Cross multiply
    231,947.11x = 347,975.13 × 72,014.83
  4. Step 4: Simplify right side
    231,947.11x = 25,059,368,091.30
  5. Step 5: Solve for x
    x = 25,059,368,091.30/231,947.11
  6. Step 6: Final answer
    x = 108,039.15

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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.