Home / 152,264.39-228,245.92-72,161.56

Finding the Fourth Proportional to 152,264.39, 228,245.92 and 72,161.56

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Solution

The fourth proportional to 152,264.39, 228,245.92 and 72,161.56 is: 108,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,264.39 : 228,245.92 = 72,161.56 : x
  2. Step 2: Convert to fraction form
    152,264.39/228,245.92 = 72,161.56/x
  3. Step 3: Cross multiply
    152,264.39x = 228,245.92 × 72,161.56
  4. Step 4: Simplify right side
    152,264.39x = 16,470,581,755.74
  5. Step 5: Solve for x
    x = 16,470,581,755.74/152,264.39
  6. Step 6: Final answer
    x = 108,170.94

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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.