Home / 102,997.12-154,346.64-50,347.12

Finding the Fourth Proportional to 102,997.12, 154,346.64 and 50,347.12

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Solution

The fourth proportional to 102,997.12, 154,346.64 and 50,347.12 is: 75,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,997.12 : 154,346.64 = 50,347.12 : x
  2. Step 2: Convert to fraction form
    102,997.12/154,346.64 = 50,347.12/x
  3. Step 3: Cross multiply
    102,997.12x = 154,346.64 × 50,347.12
  4. Step 4: Simplify right side
    102,997.12x = 7,770,908,805.68
  5. Step 5: Solve for x
    x = 7,770,908,805.68/102,997.12
  6. Step 6: Final answer
    x = 75,447.83

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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.