Home / 191,787.26-287,481.29-107,423.73

Finding the Fourth Proportional to 191,787.26, 287,481.29 and 107,423.73

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Solution

The fourth proportional to 191,787.26, 287,481.29 and 107,423.73 is: 161,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787.26 : 287,481.29 = 107,423.73 : x
  2. Step 2: Convert to fraction form
    191,787.26/287,481.29 = 107,423.73/x
  3. Step 3: Cross multiply
    191,787.26x = 287,481.29 × 107,423.73
  4. Step 4: Simplify right side
    191,787.26x = 30,882,311,939.89
  5. Step 5: Solve for x
    x = 30,882,311,939.89/191,787.26
  6. Step 6: Final answer
    x = 161,023.80

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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.