Home / 127,183.28-175,513.59-79,464.29

Finding the Fourth Proportional to 127,183.28, 175,513.59 and 79,464.29

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Solution

The fourth proportional to 127,183.28, 175,513.59 and 79,464.29 is: 109,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,183.28 : 175,513.59 = 79,464.29 : x
  2. Step 2: Convert to fraction form
    127,183.28/175,513.59 = 79,464.29/x
  3. Step 3: Cross multiply
    127,183.28x = 175,513.59 × 79,464.29
  4. Step 4: Simplify right side
    127,183.28x = 13,947,063,253.49
  5. Step 5: Solve for x
    x = 13,947,063,253.49/127,183.28
  6. Step 6: Final answer
    x = 109,661.14

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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.