Home / 215,314.48-323,022.84-73,169.20

Finding the Fourth Proportional to 215,314.48, 323,022.84 and 73,169.20

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Solution

The fourth proportional to 215,314.48, 323,022.84 and 73,169.20 is: 109,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,314.48 : 323,022.84 = 73,169.20 : x
  2. Step 2: Convert to fraction form
    215,314.48/323,022.84 = 73,169.20/x
  3. Step 3: Cross multiply
    215,314.48x = 323,022.84 × 73,169.20
  4. Step 4: Simplify right side
    215,314.48x = 23,635,322,784.53
  5. Step 5: Solve for x
    x = 23,635,322,784.53/215,314.48
  6. Step 6: Final answer
    x = 109,771.17

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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.