Home / 143,180.53-197,589.14-79,524.25

Finding the Fourth Proportional to 143,180.53, 197,589.14 and 79,524.25

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Solution

The fourth proportional to 143,180.53, 197,589.14 and 79,524.25 is: 109,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.53 : 197,589.14 = 79,524.25 : x
  2. Step 2: Convert to fraction form
    143,180.53/197,589.14 = 79,524.25/x
  3. Step 3: Cross multiply
    143,180.53x = 197,589.14 × 79,524.25
  4. Step 4: Simplify right side
    143,180.53x = 15,713,128,016.01
  5. Step 5: Solve for x
    x = 15,713,128,016.01/143,180.53
  6. Step 6: Final answer
    x = 109,743.47

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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.