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Finding the Fourth Proportional to 150,058.68, 207,072.50 and 82,062.15

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Solution

The fourth proportional to 150,058.68, 207,072.50 and 82,062.15 is: 113,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,058.68 : 207,072.50 = 82,062.15 : x
  2. Step 2: Convert to fraction form
    150,058.68/207,072.50 = 82,062.15/x
  3. Step 3: Cross multiply
    150,058.68x = 207,072.50 × 82,062.15
  4. Step 4: Simplify right side
    150,058.68x = 16,992,814,145.56
  5. Step 5: Solve for x
    x = 16,992,814,145.56/150,058.68
  6. Step 6: Final answer
    x = 113,241.13

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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.