Home / 111,251.67-166,887.75-36,372.21

Finding the Fourth Proportional to 111,251.67, 166,887.75 and 36,372.21

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Solution

The fourth proportional to 111,251.67, 166,887.75 and 36,372.21 is: 54,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.67 : 166,887.75 = 36,372.21 : x
  2. Step 2: Convert to fraction form
    111,251.67/166,887.75 = 36,372.21/x
  3. Step 3: Cross multiply
    111,251.67x = 166,887.75 × 36,372.21
  4. Step 4: Simplify right side
    111,251.67x = 6,070,076,289.43
  5. Step 5: Solve for x
    x = 6,070,076,289.43/111,251.67
  6. Step 6: Final answer
    x = 54,561.66

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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.