Home / 148,282.61-222,318.21-69,353.78

Finding the Fourth Proportional to 148,282.61, 222,318.21 and 69,353.78

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Solution

The fourth proportional to 148,282.61, 222,318.21 and 69,353.78 is: 103,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,282.61 : 222,318.21 = 69,353.78 : x
  2. Step 2: Convert to fraction form
    148,282.61/222,318.21 = 69,353.78/x
  3. Step 3: Cross multiply
    148,282.61x = 222,318.21 × 69,353.78
  4. Step 4: Simplify right side
    148,282.61x = 15,418,608,226.33
  5. Step 5: Solve for x
    x = 15,418,608,226.33/148,282.61
  6. Step 6: Final answer
    x = 103,981.23

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1.5x scale

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.