Home / 81,446.14-122,170.83-53,544.16

Finding the Fourth Proportional to 81,446.14, 122,170.83 and 53,544.16

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Solution

The fourth proportional to 81,446.14, 122,170.83 and 53,544.16 is: 80,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446.14 : 122,170.83 = 53,544.16 : x
  2. Step 2: Convert to fraction form
    81,446.14/122,170.83 = 53,544.16/x
  3. Step 3: Cross multiply
    81,446.14x = 122,170.83 × 53,544.16
  4. Step 4: Simplify right side
    81,446.14x = 6,541,534,468.85
  5. Step 5: Solve for x
    x = 6,541,534,468.85/81,446.14
  6. Step 6: Final answer
    x = 80,317.31

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1.5x scale

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.