Home / 171,815.80-257,286.30-163,942.60

Finding the Fourth Proportional to 171,815.80, 257,286.30 and 163,942.60

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Solution

The fourth proportional to 171,815.80, 257,286.30 and 163,942.60 is: 245,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,815.80 : 257,286.30 = 163,942.60 : x
  2. Step 2: Convert to fraction form
    171,815.80/257,286.30 = 163,942.60/x
  3. Step 3: Cross multiply
    171,815.80x = 257,286.30 × 163,942.60
  4. Step 4: Simplify right side
    171,815.80x = 42,180,184,966.38
  5. Step 5: Solve for x
    x = 42,180,184,966.38/171,815.80
  6. Step 6: Final answer
    x = 245,496.54

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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.