Home / 60,165.12-90,190.92-20,694.64

Finding the Fourth Proportional to 60,165.12, 90,190.92 and 20,694.64

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Solution

The fourth proportional to 60,165.12, 90,190.92 and 20,694.64 is: 31,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,165.12 : 90,190.92 = 20,694.64 : x
  2. Step 2: Convert to fraction form
    60,165.12/90,190.92 = 20,694.64/x
  3. Step 3: Cross multiply
    60,165.12x = 90,190.92 × 20,694.64
  4. Step 4: Simplify right side
    60,165.12x = 1,866,468,620.67
  5. Step 5: Solve for x
    x = 1,866,468,620.67/60,165.12
  6. Step 6: Final answer
    x = 31,022.44

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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.