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Finding the Fourth Proportional to 114,003.80, 171,021.90 and 35,109.80

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Solution

The fourth proportional to 114,003.80, 171,021.90 and 35,109.80 is: 52,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,003.80 : 171,021.90 = 35,109.80 : x
  2. Step 2: Convert to fraction form
    114,003.80/171,021.90 = 35,109.80/x
  3. Step 3: Cross multiply
    114,003.80x = 171,021.90 × 35,109.80
  4. Step 4: Simplify right side
    114,003.80x = 6,004,544,704.62
  5. Step 5: Solve for x
    x = 6,004,544,704.62/114,003.80
  6. Step 6: Final answer
    x = 52,669.69

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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.