Home / 139,180.73-192,069.36-75,518.51

Finding the Fourth Proportional to 139,180.73, 192,069.36 and 75,518.51

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Solution

The fourth proportional to 139,180.73, 192,069.36 and 75,518.51 is: 104,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,180.73 : 192,069.36 = 75,518.51 : x
  2. Step 2: Convert to fraction form
    139,180.73/192,069.36 = 75,518.51/x
  3. Step 3: Cross multiply
    139,180.73x = 192,069.36 × 75,518.51
  4. Step 4: Simplify right side
    139,180.73x = 14,504,790,923.51
  5. Step 5: Solve for x
    x = 14,504,790,923.51/139,180.73
  6. Step 6: Final answer
    x = 104,215.51

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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.