Home / 148,019.08-222,101.52-69,121.84

Finding the Fourth Proportional to 148,019.08, 222,101.52 and 69,121.84

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Solution

The fourth proportional to 148,019.08, 222,101.52 and 69,121.84 is: 103,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,019.08 : 222,101.52 = 69,121.84 : x
  2. Step 2: Convert to fraction form
    148,019.08/222,101.52 = 69,121.84/x
  3. Step 3: Cross multiply
    148,019.08x = 222,101.52 × 69,121.84
  4. Step 4: Simplify right side
    148,019.08x = 15,352,065,729.20
  5. Step 5: Solve for x
    x = 15,352,065,729.20/148,019.08
  6. Step 6: Final answer
    x = 103,716.80

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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.