Home / 213,138.55-294,131.22-117,645.27

Finding the Fourth Proportional to 213,138.55, 294,131.22 and 117,645.27

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Solution

The fourth proportional to 213,138.55, 294,131.22 and 117,645.27 is: 162,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,138.55 : 294,131.22 = 117,645.27 : x
  2. Step 2: Convert to fraction form
    213,138.55/294,131.22 = 117,645.27/x
  3. Step 3: Cross multiply
    213,138.55x = 294,131.22 × 117,645.27
  4. Step 4: Simplify right side
    213,138.55x = 34,603,146,792.33
  5. Step 5: Solve for x
    x = 34,603,146,792.33/213,138.55
  6. Step 6: Final answer
    x = 162,350.48

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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.