Home / 138,840.27-208,217.26-50,082.24

Finding the Fourth Proportional to 138,840.27, 208,217.26 and 50,082.24

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Solution

The fourth proportional to 138,840.27, 208,217.26 and 50,082.24 is: 75,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,840.27 : 208,217.26 = 50,082.24 : x
  2. Step 2: Convert to fraction form
    138,840.27/208,217.26 = 50,082.24/x
  3. Step 3: Cross multiply
    138,840.27x = 208,217.26 × 50,082.24
  4. Step 4: Simplify right side
    138,840.27x = 10,427,986,787.46
  5. Step 5: Solve for x
    x = 10,427,986,787.46/138,840.27
  6. Step 6: Final answer
    x = 75,107.80

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1.5x scale

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.