Home / 138,849.06-208,230.54-50,091.04

Finding the Fourth Proportional to 138,849.06, 208,230.54 and 50,091.04

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Solution

The fourth proportional to 138,849.06, 208,230.54 and 50,091.04 is: 75,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,849.06 : 208,230.54 = 50,091.04 : x
  2. Step 2: Convert to fraction form
    138,849.06/208,230.54 = 50,091.04/x
  3. Step 3: Cross multiply
    138,849.06x = 208,230.54 × 50,091.04
  4. Step 4: Simplify right side
    138,849.06x = 10,430,484,308.36
  5. Step 5: Solve for x
    x = 10,430,484,308.36/138,849.06
  6. Step 6: Final answer
    x = 75,121.03

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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.