Home / 150,268.26-207,370.50-81,358.40

Finding the Fourth Proportional to 150,268.26, 207,370.50 and 81,358.40

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Solution

The fourth proportional to 150,268.26, 207,370.50 and 81,358.40 is: 112,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,268.26 : 207,370.50 = 81,358.40 : x
  2. Step 2: Convert to fraction form
    150,268.26/207,370.50 = 81,358.40/x
  3. Step 3: Cross multiply
    150,268.26x = 207,370.50 × 81,358.40
  4. Step 4: Simplify right side
    150,268.26x = 16,871,332,087.20
  5. Step 5: Solve for x
    x = 16,871,332,087.20/150,268.26
  6. Step 6: Final answer
    x = 112,274.76

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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.