Home / 138,848.28-208,229.33-50,090.22

Finding the Fourth Proportional to 138,848.28, 208,229.33 and 50,090.22

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Solution

The fourth proportional to 138,848.28, 208,229.33 and 50,090.22 is: 75,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,848.28 : 208,229.33 = 50,090.22 : x
  2. Step 2: Convert to fraction form
    138,848.28/208,229.33 = 50,090.22/x
  3. Step 3: Cross multiply
    138,848.28x = 208,229.33 × 50,090.22
  4. Step 4: Simplify right side
    138,848.28x = 10,430,252,699.70
  5. Step 5: Solve for x
    x = 10,430,252,699.70/138,848.28
  6. Step 6: Final answer
    x = 75,119.78

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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.