Home / 192,234.08-288,147-113,385.44

Finding the Fourth Proportional to 192,234.08, 288,147 and 113,385.44

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Solution

The fourth proportional to 192,234.08, 288,147 and 113,385.44 is: 169,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,234.08 : 288,147 = 113,385.44 : x
  2. Step 2: Convert to fraction form
    192,234.08/288,147 = 113,385.44/x
  3. Step 3: Cross multiply
    192,234.08x = 288,147 × 113,385.44
  4. Step 4: Simplify right side
    192,234.08x = 32,671,674,379.68
  5. Step 5: Solve for x
    x = 32,671,674,379.68/192,234.08
  6. Step 6: Final answer
    x = 169,957.76

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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.