Home / 196,012.75-270,211.27-138,550.68

Finding the Fourth Proportional to 196,012.75, 270,211.27 and 138,550.68

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Solution

The fourth proportional to 196,012.75, 270,211.27 and 138,550.68 is: 190,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,012.75 : 270,211.27 = 138,550.68 : x
  2. Step 2: Convert to fraction form
    196,012.75/270,211.27 = 138,550.68/x
  3. Step 3: Cross multiply
    196,012.75x = 270,211.27 × 138,550.68
  4. Step 4: Simplify right side
    196,012.75x = 37,437,955,202.16
  5. Step 5: Solve for x
    x = 37,437,955,202.16/196,012.75
  6. Step 6: Final answer
    x = 190,997.55

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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.