Home / 216,077.83-324,104.46-66,317.91

Finding the Fourth Proportional to 216,077.83, 324,104.46 and 66,317.91

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Solution

The fourth proportional to 216,077.83, 324,104.46 and 66,317.91 is: 99,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,077.83 : 324,104.46 = 66,317.91 : x
  2. Step 2: Convert to fraction form
    216,077.83/324,104.46 = 66,317.91/x
  3. Step 3: Cross multiply
    216,077.83x = 324,104.46 × 66,317.91
  4. Step 4: Simplify right side
    216,077.83x = 21,493,928,944.79
  5. Step 5: Solve for x
    x = 21,493,928,944.79/216,077.83
  6. Step 6: Final answer
    x = 99,473.09

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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.