Home / 138,892.24-208,295.41-50,134.46

Finding the Fourth Proportional to 138,892.24, 208,295.41 and 50,134.46

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Solution

The fourth proportional to 138,892.24, 208,295.41 and 50,134.46 is: 75,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,892.24 : 208,295.41 = 50,134.46 : x
  2. Step 2: Convert to fraction form
    138,892.24/208,295.41 = 50,134.46/x
  3. Step 3: Cross multiply
    138,892.24x = 208,295.41 × 50,134.46
  4. Step 4: Simplify right side
    138,892.24x = 10,442,777,900.83
  5. Step 5: Solve for x
    x = 10,442,777,900.83/138,892.24
  6. Step 6: Final answer
    x = 75,186.19

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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.