Home / 239,834.11-359,561.37-90,057.71

Finding the Fourth Proportional to 239,834.11, 359,561.37 and 90,057.71

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Solution

The fourth proportional to 239,834.11, 359,561.37 and 90,057.71 is: 135,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,834.11 : 359,561.37 = 90,057.71 : x
  2. Step 2: Convert to fraction form
    239,834.11/359,561.37 = 90,057.71/x
  3. Step 3: Cross multiply
    239,834.11x = 359,561.37 × 90,057.71
  4. Step 4: Simplify right side
    239,834.11x = 32,381,274,485.57
  5. Step 5: Solve for x
    x = 32,381,274,485.57/239,834.11
  6. Step 6: Final answer
    x = 135,015.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.