Home / 207,954.10-311,931.18-50,182.55

Finding the Fourth Proportional to 207,954.10, 311,931.18 and 50,182.55

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Solution

The fourth proportional to 207,954.10, 311,931.18 and 50,182.55 is: 75,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,954.10 : 311,931.18 = 50,182.55 : x
  2. Step 2: Convert to fraction form
    207,954.10/311,931.18 = 50,182.55/x
  3. Step 3: Cross multiply
    207,954.10x = 311,931.18 × 50,182.55
  4. Step 4: Simplify right side
    207,954.10x = 15,653,502,691.28
  5. Step 5: Solve for x
    x = 15,653,502,691.28/207,954.10
  6. Step 6: Final answer
    x = 75,273.84

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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.