Home / 207,945.50-311,885.71-67,703.18

Finding the Fourth Proportional to 207,945.50, 311,885.71 and 67,703.18

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Solution

The fourth proportional to 207,945.50, 311,885.71 and 67,703.18 is: 101,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,945.50 : 311,885.71 = 67,703.18 : x
  2. Step 2: Convert to fraction form
    207,945.50/311,885.71 = 67,703.18/x
  3. Step 3: Cross multiply
    207,945.50x = 311,885.71 × 67,703.18
  4. Step 4: Simplify right side
    207,945.50x = 21,115,652,634.87
  5. Step 5: Solve for x
    x = 21,115,652,634.87/207,945.50
  6. Step 6: Final answer
    x = 101,544.17

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