Home / 110,257.34-165,391.47-31,377.11

Finding the Fourth Proportional to 110,257.34, 165,391.47 and 31,377.11

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Solution

The fourth proportional to 110,257.34, 165,391.47 and 31,377.11 is: 47,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,257.34 : 165,391.47 = 31,377.11 : x
  2. Step 2: Convert to fraction form
    110,257.34/165,391.47 = 31,377.11/x
  3. Step 3: Cross multiply
    110,257.34x = 165,391.47 × 31,377.11
  4. Step 4: Simplify right side
    110,257.34x = 5,189,505,520.29
  5. Step 5: Solve for x
    x = 5,189,505,520.29/110,257.34
  6. Step 6: Final answer
    x = 47,067.21

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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.