Home / 148,989.09-223,624.08-54,310.80

Finding the Fourth Proportional to 148,989.09, 223,624.08 and 54,310.80

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Solution

The fourth proportional to 148,989.09, 223,624.08 and 54,310.80 is: 81,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,989.09 : 223,624.08 = 54,310.80 : x
  2. Step 2: Convert to fraction form
    148,989.09/223,624.08 = 54,310.80/x
  3. Step 3: Cross multiply
    148,989.09x = 223,624.08 × 54,310.80
  4. Step 4: Simplify right side
    148,989.09x = 12,145,202,684.06
  5. Step 5: Solve for x
    x = 12,145,202,684.06/148,989.09
  6. Step 6: Final answer
    x = 81,517.40

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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.