Home / 127,183.14-175,513.42-79,464.17

Finding the Fourth Proportional to 127,183.14, 175,513.42 and 79,464.17

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Solution

The fourth proportional to 127,183.14, 175,513.42 and 79,464.17 is: 109,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,183.14 : 175,513.42 = 79,464.17 : x
  2. Step 2: Convert to fraction form
    127,183.14/175,513.42 = 79,464.17/x
  3. Step 3: Cross multiply
    127,183.14x = 175,513.42 × 79,464.17
  4. Step 4: Simplify right side
    127,183.14x = 13,947,028,244.16
  5. Step 5: Solve for x
    x = 13,947,028,244.16/127,183.14
  6. Step 6: Final answer
    x = 109,660.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.