Home / 45,449.36-68,177.46-12,168.68

Finding the Fourth Proportional to 45,449.36, 68,177.46 and 12,168.68

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Solution

The fourth proportional to 45,449.36, 68,177.46 and 12,168.68 is: 18,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.36 : 68,177.46 = 12,168.68 : x
  2. Step 2: Convert to fraction form
    45,449.36/68,177.46 = 12,168.68/x
  3. Step 3: Cross multiply
    45,449.36x = 68,177.46 × 12,168.68
  4. Step 4: Simplify right side
    45,449.36x = 829,629,693.95
  5. Step 5: Solve for x
    x = 829,629,693.95/45,449.36
  6. Step 6: Final answer
    x = 18,253.94

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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.