Home / 209,944.00-314,977.46-67,786.57

Finding the Fourth Proportional to 209,944.00, 314,977.46 and 67,786.57

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Solution

The fourth proportional to 209,944.00, 314,977.46 and 67,786.57 is: 101,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,944.00 : 314,977.46 = 67,786.57 : x
  2. Step 2: Convert to fraction form
    209,944.00/314,977.46 = 67,786.57/x
  3. Step 3: Cross multiply
    209,944.00x = 314,977.46 × 67,786.57
  4. Step 4: Simplify right side
    209,944.00x = 21,351,242,076.80
  5. Step 5: Solve for x
    x = 21,351,242,076.80/209,944.00
  6. Step 6: Final answer
    x = 101,699.70

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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.