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Finding the Fourth Proportional to 166,957.80, 250,436.70 and 113,813.70

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Solution

The fourth proportional to 166,957.80, 250,436.70 and 113,813.70 is: 170,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,957.80 : 250,436.70 = 113,813.70 : x
  2. Step 2: Convert to fraction form
    166,957.80/250,436.70 = 113,813.70/x
  3. Step 3: Cross multiply
    166,957.80x = 250,436.70 × 113,813.70
  4. Step 4: Simplify right side
    166,957.80x = 28,503,127,442.79
  5. Step 5: Solve for x
    x = 28,503,127,442.79/166,957.80
  6. Step 6: Final answer
    x = 170,720.55

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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.