Home / 114,021.90-171,120.42-108,168.21

Finding the Fourth Proportional to 114,021.90, 171,120.42 and 108,168.21

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Solution

The fourth proportional to 114,021.90, 171,120.42 and 108,168.21 is: 162,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,021.90 : 171,120.42 = 108,168.21 : x
  2. Step 2: Convert to fraction form
    114,021.90/171,120.42 = 108,168.21/x
  3. Step 3: Cross multiply
    114,021.90x = 171,120.42 × 108,168.21
  4. Step 4: Simplify right side
    114,021.90x = 18,509,789,525.85
  5. Step 5: Solve for x
    x = 18,509,789,525.85/114,021.90
  6. Step 6: Final answer
    x = 162,335.39

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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.