Home / 207,619.86-311,623.54-106,493.84

Finding the Fourth Proportional to 207,619.86, 311,623.54 and 106,493.84

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Solution

The fourth proportional to 207,619.86, 311,623.54 and 106,493.84 is: 159,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,619.86 : 311,623.54 = 106,493.84 : x
  2. Step 2: Convert to fraction form
    207,619.86/311,623.54 = 106,493.84/x
  3. Step 3: Cross multiply
    207,619.86x = 311,623.54 × 106,493.84
  4. Step 4: Simplify right side
    207,619.86x = 33,185,987,408.99
  5. Step 5: Solve for x
    x = 33,185,987,408.99/207,619.86
  6. Step 6: Final answer
    x = 159,840.14

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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.