Home / 139,375.48-192,340.22-75,714.52

Finding the Fourth Proportional to 139,375.48, 192,340.22 and 75,714.52

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Solution

The fourth proportional to 139,375.48, 192,340.22 and 75,714.52 is: 104,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,375.48 : 192,340.22 = 75,714.52 : x
  2. Step 2: Convert to fraction form
    139,375.48/192,340.22 = 75,714.52/x
  3. Step 3: Cross multiply
    139,375.48x = 192,340.22 × 75,714.52
  4. Step 4: Simplify right side
    139,375.48x = 14,562,947,433.99
  5. Step 5: Solve for x
    x = 14,562,947,433.99/139,375.48
  6. Step 6: Final answer
    x = 104,487.16

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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.