Home / 111,285.24-166,705.46-66,887.96

Finding the Fourth Proportional to 111,285.24, 166,705.46 and 66,887.96

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Solution

The fourth proportional to 111,285.24, 166,705.46 and 66,887.96 is: 100,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,285.24 : 166,705.46 = 66,887.96 : x
  2. Step 2: Convert to fraction form
    111,285.24/166,705.46 = 66,887.96/x
  3. Step 3: Cross multiply
    111,285.24x = 166,705.46 × 66,887.96
  4. Step 4: Simplify right side
    111,285.24x = 11,150,588,140.26
  5. Step 5: Solve for x
    x = 11,150,588,140.26/111,285.24
  6. Step 6: Final answer
    x = 100,198.27

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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.