Home / 152,723.68-228,839.28-82,636

Finding the Fourth Proportional to 152,723.68, 228,839.28 and 82,636

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Solution

The fourth proportional to 152,723.68, 228,839.28 and 82,636 is: 123,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,723.68 : 228,839.28 = 82,636 : x
  2. Step 2: Convert to fraction form
    152,723.68/228,839.28 = 82,636/x
  3. Step 3: Cross multiply
    152,723.68x = 228,839.28 × 82,636
  4. Step 4: Simplify right side
    152,723.68x = 18,910,362,742.08
  5. Step 5: Solve for x
    x = 18,910,362,742.08/152,723.68
  6. Step 6: Final answer
    x = 123,820.76

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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.