Home / 207,914.80-311,824.49-58,165.64

Finding the Fourth Proportional to 207,914.80, 311,824.49 and 58,165.64

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Solution

The fourth proportional to 207,914.80, 311,824.49 and 58,165.64 is: 87,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,914.80 : 311,824.49 = 58,165.64 : x
  2. Step 2: Convert to fraction form
    207,914.80/311,824.49 = 58,165.64/x
  3. Step 3: Cross multiply
    207,914.80x = 311,824.49 × 58,165.64
  4. Step 4: Simplify right side
    207,914.80x = 18,137,471,028.52
  5. Step 5: Solve for x
    x = 18,137,471,028.52/207,914.80
  6. Step 6: Final answer
    x = 87,235.11

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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.