Home / 208,961.36-313,566.48-75,851.96

Finding the Fourth Proportional to 208,961.36, 313,566.48 and 75,851.96

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Solution

The fourth proportional to 208,961.36, 313,566.48 and 75,851.96 is: 113,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,961.36 : 313,566.48 = 75,851.96 : x
  2. Step 2: Convert to fraction form
    208,961.36/313,566.48 = 75,851.96/x
  3. Step 3: Cross multiply
    208,961.36x = 313,566.48 × 75,851.96
  4. Step 4: Simplify right side
    208,961.36x = 23,784,632,098.30
  5. Step 5: Solve for x
    x = 23,784,632,098.30/208,961.36
  6. Step 6: Final answer
    x = 113,823.11

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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.