Home / 73,431.36-110,147.13-20,123.79

Finding the Fourth Proportional to 73,431.36, 110,147.13 and 20,123.79

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Solution

The fourth proportional to 73,431.36, 110,147.13 and 20,123.79 is: 30,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,431.36 : 110,147.13 = 20,123.79 : x
  2. Step 2: Convert to fraction form
    73,431.36/110,147.13 = 20,123.79/x
  3. Step 3: Cross multiply
    73,431.36x = 110,147.13 × 20,123.79
  4. Step 4: Simplify right side
    73,431.36x = 2,216,577,713.22
  5. Step 5: Solve for x
    x = 2,216,577,713.22/73,431.36
  6. Step 6: Final answer
    x = 30,185.71

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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.