Home / 207,481.32-311,025.12-102,177.30

Finding the Fourth Proportional to 207,481.32, 311,025.12 and 102,177.30

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Solution

The fourth proportional to 207,481.32, 311,025.12 and 102,177.30 is: 153,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,481.32 : 311,025.12 = 102,177.30 : x
  2. Step 2: Convert to fraction form
    207,481.32/311,025.12 = 102,177.30/x
  3. Step 3: Cross multiply
    207,481.32x = 311,025.12 × 102,177.30
  4. Step 4: Simplify right side
    207,481.32x = 31,779,706,993.78
  5. Step 5: Solve for x
    x = 31,779,706,993.78/207,481.32
  6. Step 6: Final answer
    x = 153,169.00

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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.