Home / 207,818.86-311,631.41-107,952.25

Finding the Fourth Proportional to 207,818.86, 311,631.41 and 107,952.25

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Solution

The fourth proportional to 207,818.86, 311,631.41 and 107,952.25 is: 161,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,818.86 : 311,631.41 = 107,952.25 : x
  2. Step 2: Convert to fraction form
    207,818.86/311,631.41 = 107,952.25/x
  3. Step 3: Cross multiply
    207,818.86x = 311,631.41 × 107,952.25
  4. Step 4: Simplify right side
    207,818.86x = 33,641,311,340.41
  5. Step 5: Solve for x
    x = 33,641,311,340.41/207,818.86
  6. Step 6: Final answer
    x = 161,878.05

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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.