Home / 139,160.08-192,039.44-75,497.36

Finding the Fourth Proportional to 139,160.08, 192,039.44 and 75,497.36

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Solution

The fourth proportional to 139,160.08, 192,039.44 and 75,497.36 is: 104,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,160.08 : 192,039.44 = 75,497.36 : x
  2. Step 2: Convert to fraction form
    139,160.08/192,039.44 = 75,497.36/x
  3. Step 3: Cross multiply
    139,160.08x = 192,039.44 × 75,497.36
  4. Step 4: Simplify right side
    139,160.08x = 14,498,470,735.88
  5. Step 5: Solve for x
    x = 14,498,470,735.88/139,160.08
  6. Step 6: Final answer
    x = 104,185.56

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1.5x scale

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.