Home / 90,222.20-135,323.58-23,669

Finding the Fourth Proportional to 90,222.20, 135,323.58 and 23,669

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Solution

The fourth proportional to 90,222.20, 135,323.58 and 23,669 is: 35,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.20 : 135,323.58 = 23,669 : x
  2. Step 2: Convert to fraction form
    90,222.20/135,323.58 = 23,669/x
  3. Step 3: Cross multiply
    90,222.20x = 135,323.58 × 23,669
  4. Step 4: Simplify right side
    90,222.20x = 3,202,973,815.02
  5. Step 5: Solve for x
    x = 3,202,973,815.02/90,222.20
  6. Step 6: Final answer
    x = 35,500.95

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1.5x scale

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.