Home / 150,268.65-207,371.07-81,358.84

Finding the Fourth Proportional to 150,268.65, 207,371.07 and 81,358.84

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Solution

The fourth proportional to 150,268.65, 207,371.07 and 81,358.84 is: 112,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,268.65 : 207,371.07 = 81,358.84 : x
  2. Step 2: Convert to fraction form
    150,268.65/207,371.07 = 81,358.84/x
  3. Step 3: Cross multiply
    150,268.65x = 207,371.07 × 81,358.84
  4. Step 4: Simplify right side
    150,268.65x = 16,871,469,704.76
  5. Step 5: Solve for x
    x = 16,871,469,704.76/150,268.65
  6. Step 6: Final answer
    x = 112,275.38

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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.