Home / 127,169.28-175,494.36-79,450.38

Finding the Fourth Proportional to 127,169.28, 175,494.36 and 79,450.38

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Solution

The fourth proportional to 127,169.28, 175,494.36 and 79,450.38 is: 109,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.28 : 175,494.36 = 79,450.38 : x
  2. Step 2: Convert to fraction form
    127,169.28/175,494.36 = 79,450.38/x
  3. Step 3: Cross multiply
    127,169.28x = 175,494.36 × 79,450.38
  4. Step 4: Simplify right side
    127,169.28x = 13,943,093,589.86
  5. Step 5: Solve for x
    x = 13,943,093,589.86/127,169.28
  6. Step 6: Final answer
    x = 109,642.00

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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.