Home / 139,322.19-192,262.92-75,660.44

Finding the Fourth Proportional to 139,322.19, 192,262.92 and 75,660.44

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Solution

The fourth proportional to 139,322.19, 192,262.92 and 75,660.44 is: 104,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,322.19 : 192,262.92 = 75,660.44 : x
  2. Step 2: Convert to fraction form
    139,322.19/192,262.92 = 75,660.44/x
  3. Step 3: Cross multiply
    139,322.19x = 192,262.92 × 75,660.44
  4. Step 4: Simplify right side
    139,322.19x = 14,546,697,122.88
  5. Step 5: Solve for x
    x = 14,546,697,122.88/139,322.19
  6. Step 6: Final answer
    x = 104,410.48

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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.