Home / 170,630.80-255,576.82-111,286.44

Finding the Fourth Proportional to 170,630.80, 255,576.82 and 111,286.44

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Solution

The fourth proportional to 170,630.80, 255,576.82 and 111,286.44 is: 166,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,630.80 : 255,576.82 = 111,286.44 : x
  2. Step 2: Convert to fraction form
    170,630.80/255,576.82 = 111,286.44/x
  3. Step 3: Cross multiply
    170,630.80x = 255,576.82 × 111,286.44
  4. Step 4: Simplify right side
    170,630.80x = 28,442,234,444.32
  5. Step 5: Solve for x
    x = 28,442,234,444.32/170,630.80
  6. Step 6: Final answer
    x = 166,688.75

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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.