Home / 207,428.88-311,141.28-95,077.20

Finding the Fourth Proportional to 207,428.88, 311,141.28 and 95,077.20

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Solution

The fourth proportional to 207,428.88, 311,141.28 and 95,077.20 is: 142,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,428.88 : 311,141.28 = 95,077.20 : x
  2. Step 2: Convert to fraction form
    207,428.88/311,141.28 = 95,077.20/x
  3. Step 3: Cross multiply
    207,428.88x = 311,141.28 × 95,077.20
  4. Step 4: Simplify right side
    207,428.88x = 29,582,441,706.82
  5. Step 5: Solve for x
    x = 29,582,441,706.82/207,428.88
  6. Step 6: Final answer
    x = 142,614.86

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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.