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Finding the Fourth Proportional to 167,916.60, 252,012.60 and 166,604.40

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Solution

The fourth proportional to 167,916.60, 252,012.60 and 166,604.40 is: 250,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,916.60 : 252,012.60 = 166,604.40 : x
  2. Step 2: Convert to fraction form
    167,916.60/252,012.60 = 166,604.40/x
  3. Step 3: Cross multiply
    167,916.60x = 252,012.60 × 166,604.40
  4. Step 4: Simplify right side
    167,916.60x = 41,986,408,015.44
  5. Step 5: Solve for x
    x = 41,986,408,015.44/167,916.60
  6. Step 6: Final answer
    x = 250,043.22

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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.