Home / 207,434.88-311,150.28-95,083.20

Finding the Fourth Proportional to 207,434.88, 311,150.28 and 95,083.20

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Solution

The fourth proportional to 207,434.88, 311,150.28 and 95,083.20 is: 142,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,434.88 : 311,150.28 = 95,083.20 : x
  2. Step 2: Convert to fraction form
    207,434.88/311,150.28 = 95,083.20/x
  3. Step 3: Cross multiply
    207,434.88x = 311,150.28 × 95,083.20
  4. Step 4: Simplify right side
    207,434.88x = 29,585,164,303.30
  5. Step 5: Solve for x
    x = 29,585,164,303.30/207,434.88
  6. Step 6: Final answer
    x = 142,623.86

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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.