Home / 100,822.30-151,145.94-50,860.66

Finding the Fourth Proportional to 100,822.30, 151,145.94 and 50,860.66

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Solution

The fourth proportional to 100,822.30, 151,145.94 and 50,860.66 is: 76,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.30 : 151,145.94 = 50,860.66 : x
  2. Step 2: Convert to fraction form
    100,822.30/151,145.94 = 50,860.66/x
  3. Step 3: Cross multiply
    100,822.30x = 151,145.94 × 50,860.66
  4. Step 4: Simplify right side
    100,822.30x = 7,687,382,264.72
  5. Step 5: Solve for x
    x = 7,687,382,264.72/100,822.30
  6. Step 6: Final answer
    x = 76,246.84

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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.