Home / 231,404.64-347,107.83-81,563.14

Finding the Fourth Proportional to 231,404.64, 347,107.83 and 81,563.14

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Solution

The fourth proportional to 231,404.64, 347,107.83 and 81,563.14 is: 122,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,404.64 : 347,107.83 = 81,563.14 : x
  2. Step 2: Convert to fraction form
    231,404.64/347,107.83 = 81,563.14/x
  3. Step 3: Cross multiply
    231,404.64x = 347,107.83 × 81,563.14
  4. Step 4: Simplify right side
    231,404.64x = 28,311,204,533.39
  5. Step 5: Solve for x
    x = 28,311,204,533.39/231,404.64
  6. Step 6: Final answer
    x = 122,345.02

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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.