Home / 152,358.05-228,449.57-81,193.07

Finding the Fourth Proportional to 152,358.05, 228,449.57 and 81,193.07

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Solution

The fourth proportional to 152,358.05, 228,449.57 and 81,193.07 is: 121,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,358.05 : 228,449.57 = 81,193.07 : x
  2. Step 2: Convert to fraction form
    152,358.05/228,449.57 = 81,193.07/x
  3. Step 3: Cross multiply
    152,358.05x = 228,449.57 × 81,193.07
  4. Step 4: Simplify right side
    152,358.05x = 18,548,520,380.27
  5. Step 5: Solve for x
    x = 18,548,520,380.27/152,358.05
  6. Step 6: Final answer
    x = 121,742.97

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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.