Home / 208,209.20-312,267.02-95,781.44

Finding the Fourth Proportional to 208,209.20, 312,267.02 and 95,781.44

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Solution

The fourth proportional to 208,209.20, 312,267.02 and 95,781.44 is: 143,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,209.20 : 312,267.02 = 95,781.44 : x
  2. Step 2: Convert to fraction form
    208,209.20/312,267.02 = 95,781.44/x
  3. Step 3: Cross multiply
    208,209.20x = 312,267.02 × 95,781.44
  4. Step 4: Simplify right side
    208,209.20x = 29,909,384,840.11
  5. Step 5: Solve for x
    x = 29,909,384,840.11/208,209.20
  6. Step 6: Final answer
    x = 143,650.64

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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.