Home / 139,550.60-192,573.96-79,125.32

Finding the Fourth Proportional to 139,550.60, 192,573.96 and 79,125.32

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Solution

The fourth proportional to 139,550.60, 192,573.96 and 79,125.32 is: 109,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,550.60 : 192,573.96 = 79,125.32 : x
  2. Step 2: Convert to fraction form
    139,550.60/192,573.96 = 79,125.32/x
  3. Step 3: Cross multiply
    139,550.60x = 192,573.96 × 79,125.32
  4. Step 4: Simplify right side
    139,550.60x = 15,237,476,208.67
  5. Step 5: Solve for x
    x = 15,237,476,208.67/139,550.60
  6. Step 6: Final answer
    x = 109,189.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.