Home / 211,027.50-316,619.01-111,183.66

Finding the Fourth Proportional to 211,027.50, 316,619.01 and 111,183.66

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Solution

The fourth proportional to 211,027.50, 316,619.01 and 111,183.66 is: 166,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,027.50 : 316,619.01 = 111,183.66 : x
  2. Step 2: Convert to fraction form
    211,027.50/316,619.01 = 111,183.66/x
  3. Step 3: Cross multiply
    211,027.50x = 316,619.01 × 111,183.66
  4. Step 4: Simplify right side
    211,027.50x = 35,202,860,357.38
  5. Step 5: Solve for x
    x = 35,202,860,357.38/211,027.50
  6. Step 6: Final answer
    x = 166,816.46

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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.