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Finding the Fourth Proportional to 150,105.62, 206,278.80 and 143,166.98

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Solution

The fourth proportional to 150,105.62, 206,278.80 and 143,166.98 is: 196,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,105.62 : 206,278.80 = 143,166.98 : x
  2. Step 2: Convert to fraction form
    150,105.62/206,278.80 = 143,166.98/x
  3. Step 3: Cross multiply
    150,105.62x = 206,278.80 × 143,166.98
  4. Step 4: Simplify right side
    150,105.62x = 29,532,312,339.51
  5. Step 5: Solve for x
    x = 29,532,312,339.51/150,105.62
  6. Step 6: Final answer
    x = 196,743.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.