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Finding the Fourth Proportional to 148,635, 222,986.46 and 48,803.64

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Solution

The fourth proportional to 148,635, 222,986.46 and 48,803.64 is: 73,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,635 : 222,986.46 = 48,803.64 : x
  2. Step 2: Convert to fraction form
    148,635/222,986.46 = 48,803.64/x
  3. Step 3: Cross multiply
    148,635x = 222,986.46 × 48,803.64
  4. Step 4: Simplify right side
    148,635x = 10,882,550,918.71
  5. Step 5: Solve for x
    x = 10,882,550,918.71/148,635
  6. Step 6: Final answer
    x = 73,216.61

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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.