Home / 90,443.75-124,812.68-50,161.23

Finding the Fourth Proportional to 90,443.75, 124,812.68 and 50,161.23

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Solution

The fourth proportional to 90,443.75, 124,812.68 and 50,161.23 is: 69,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,443.75 : 124,812.68 = 50,161.23 : x
  2. Step 2: Convert to fraction form
    90,443.75/124,812.68 = 50,161.23/x
  3. Step 3: Cross multiply
    90,443.75x = 124,812.68 × 50,161.23
  4. Step 4: Simplify right side
    90,443.75x = 6,260,757,297.59
  5. Step 5: Solve for x
    x = 6,260,757,297.59/90,443.75
  6. Step 6: Final answer
    x = 69,222.67

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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.