Home / 150,145.11-207,197.06-82,161.81

Finding the Fourth Proportional to 150,145.11, 207,197.06 and 82,161.81

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Solution

The fourth proportional to 150,145.11, 207,197.06 and 82,161.81 is: 113,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,145.11 : 207,197.06 = 82,161.81 : x
  2. Step 2: Convert to fraction form
    150,145.11/207,197.06 = 82,161.81/x
  3. Step 3: Cross multiply
    150,145.11x = 207,197.06 × 82,161.81
  4. Step 4: Simplify right side
    150,145.11x = 17,023,685,065.47
  5. Step 5: Solve for x
    x = 17,023,685,065.47/150,145.11
  6. Step 6: Final answer
    x = 113,381.55

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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.