Home / 110,143.56-165,215.47-30,182.21

Finding the Fourth Proportional to 110,143.56, 165,215.47 and 30,182.21

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Solution

The fourth proportional to 110,143.56, 165,215.47 and 30,182.21 is: 45,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,143.56 : 165,215.47 = 30,182.21 : x
  2. Step 2: Convert to fraction form
    110,143.56/165,215.47 = 30,182.21/x
  3. Step 3: Cross multiply
    110,143.56x = 165,215.47 × 30,182.21
  4. Step 4: Simplify right side
    110,143.56x = 4,986,568,010.79
  5. Step 5: Solve for x
    x = 4,986,568,010.79/110,143.56
  6. Step 6: Final answer
    x = 45,273.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.