Home / 124,371.28-171,660.09-79,040.44

Finding the Fourth Proportional to 124,371.28, 171,660.09 and 79,040.44

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Solution

The fourth proportional to 124,371.28, 171,660.09 and 79,040.44 is: 109,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.28 : 171,660.09 = 79,040.44 : x
  2. Step 2: Convert to fraction form
    124,371.28/171,660.09 = 79,040.44/x
  3. Step 3: Cross multiply
    124,371.28x = 171,660.09 × 79,040.44
  4. Step 4: Simplify right side
    124,371.28x = 13,568,089,044.04
  5. Step 5: Solve for x
    x = 13,568,089,044.04/124,371.28
  6. Step 6: Final answer
    x = 109,093.43

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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.