Home / 100,660.62-151,015.59-50,083.51

Finding the Fourth Proportional to 100,660.62, 151,015.59 and 50,083.51

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Solution

The fourth proportional to 100,660.62, 151,015.59 and 50,083.51 is: 75,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,660.62 : 151,015.59 = 50,083.51 : x
  2. Step 2: Convert to fraction form
    100,660.62/151,015.59 = 50,083.51/x
  3. Step 3: Cross multiply
    100,660.62x = 151,015.59 × 50,083.51
  4. Step 4: Simplify right side
    100,660.62x = 7,563,390,811.92
  5. Step 5: Solve for x
    x = 7,563,390,811.92/100,660.62
  6. Step 6: Final answer
    x = 75,137.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.