Home / 140,906.59-211,385.79-46,142.05

Finding the Fourth Proportional to 140,906.59, 211,385.79 and 46,142.05

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Solution

The fourth proportional to 140,906.59, 211,385.79 and 46,142.05 is: 69,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,906.59 : 211,385.79 = 46,142.05 : x
  2. Step 2: Convert to fraction form
    140,906.59/211,385.79 = 46,142.05/x
  3. Step 3: Cross multiply
    140,906.59x = 211,385.79 × 46,142.05
  4. Step 4: Simplify right side
    140,906.59x = 9,753,772,634.54
  5. Step 5: Solve for x
    x = 9,753,772,634.54/140,906.59
  6. Step 6: Final answer
    x = 69,221.55

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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.