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Finding the Fourth Proportional to 73,469.70, 110,204.06 and 20,157.51

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Solution

The fourth proportional to 73,469.70, 110,204.06 and 20,157.51 is: 30,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,469.70 : 110,204.06 = 20,157.51 : x
  2. Step 2: Convert to fraction form
    73,469.70/110,204.06 = 20,157.51/x
  3. Step 3: Cross multiply
    73,469.70x = 110,204.06 × 20,157.51
  4. Step 4: Simplify right side
    73,469.70x = 2,221,438,890.47
  5. Step 5: Solve for x
    x = 2,221,438,890.47/73,469.70
  6. Step 6: Final answer
    x = 30,236.13

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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.