Home / 148,288.40-222,326.94-69,359.60

Finding the Fourth Proportional to 148,288.40, 222,326.94 and 69,359.60

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Solution

The fourth proportional to 148,288.40, 222,326.94 and 69,359.60 is: 103,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,288.40 : 222,326.94 = 69,359.60 : x
  2. Step 2: Convert to fraction form
    148,288.40/222,326.94 = 69,359.60/x
  3. Step 3: Cross multiply
    148,288.40x = 222,326.94 × 69,359.60
  4. Step 4: Simplify right side
    148,288.40x = 15,420,507,627.62
  5. Step 5: Solve for x
    x = 15,420,507,627.62/148,288.40
  6. Step 6: Final answer
    x = 103,989.98

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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.