Home / 138,848.06-208,229.04-50,090.03

Finding the Fourth Proportional to 138,848.06, 208,229.04 and 50,090.03

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Solution

The fourth proportional to 138,848.06, 208,229.04 and 50,090.03 is: 75,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,848.06 : 208,229.04 = 50,090.03 : x
  2. Step 2: Convert to fraction form
    138,848.06/208,229.04 = 50,090.03/x
  3. Step 3: Cross multiply
    138,848.06x = 208,229.04 × 50,090.03
  4. Step 4: Simplify right side
    138,848.06x = 10,430,198,860.47
  5. Step 5: Solve for x
    x = 10,430,198,860.47/138,848.06
  6. Step 6: Final answer
    x = 75,119.51

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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.