Home / 138,880.11-208,277.17-50,122.38

Finding the Fourth Proportional to 138,880.11, 208,277.17 and 50,122.38

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Solution

The fourth proportional to 138,880.11, 208,277.17 and 50,122.38 is: 75,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,880.11 : 208,277.17 = 50,122.38 : x
  2. Step 2: Convert to fraction form
    138,880.11/208,277.17 = 50,122.38/x
  3. Step 3: Cross multiply
    138,880.11x = 208,277.17 × 50,122.38
  4. Step 4: Simplify right side
    138,880.11x = 10,439,347,460.06
  5. Step 5: Solve for x
    x = 10,439,347,460.06/138,880.11
  6. Step 6: Final answer
    x = 75,168.05

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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.