Home / 150,688.27-207,956.33-90,268.75

Finding the Fourth Proportional to 150,688.27, 207,956.33 and 90,268.75

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Solution

The fourth proportional to 150,688.27, 207,956.33 and 90,268.75 is: 124,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,688.27 : 207,956.33 = 90,268.75 : x
  2. Step 2: Convert to fraction form
    150,688.27/207,956.33 = 90,268.75/x
  3. Step 3: Cross multiply
    150,688.27x = 207,956.33 × 90,268.75
  4. Step 4: Simplify right side
    150,688.27x = 18,771,957,963.69
  5. Step 5: Solve for x
    x = 18,771,957,963.69/150,688.27
  6. Step 6: Final answer
    x = 124,574.78

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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.