Home / 139,026.53-208,556.20-104,187.62

Finding the Fourth Proportional to 139,026.53, 208,556.20 and 104,187.62

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Solution

The fourth proportional to 139,026.53, 208,556.20 and 104,187.62 is: 156,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,026.53 : 208,556.20 = 104,187.62 : x
  2. Step 2: Convert to fraction form
    139,026.53/208,556.20 = 104,187.62/x
  3. Step 3: Cross multiply
    139,026.53x = 208,556.20 × 104,187.62
  4. Step 4: Simplify right side
    139,026.53x = 21,728,974,765.87
  5. Step 5: Solve for x
    x = 21,728,974,765.87/139,026.53
  6. Step 6: Final answer
    x = 156,293.73

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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.