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Finding the Fourth Proportional to 148,855.60, 223,283.40 and 137,450.80

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Solution

The fourth proportional to 148,855.60, 223,283.40 and 137,450.80 is: 206,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,855.60 : 223,283.40 = 137,450.80 : x
  2. Step 2: Convert to fraction form
    148,855.60/223,283.40 = 137,450.80/x
  3. Step 3: Cross multiply
    148,855.60x = 223,283.40 × 137,450.80
  4. Step 4: Simplify right side
    148,855.60x = 30,690,481,956.72
  5. Step 5: Solve for x
    x = 30,690,481,956.72/148,855.60
  6. Step 6: Final answer
    x = 206,176.20

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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.