Home / 261,640.09-361,067.11-146,943.56

Finding the Fourth Proportional to 261,640.09, 361,067.11 and 146,943.56

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Solution

The fourth proportional to 261,640.09, 361,067.11 and 146,943.56 is: 202,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,640.09 : 361,067.11 = 146,943.56 : x
  2. Step 2: Convert to fraction form
    261,640.09/361,067.11 = 146,943.56/x
  3. Step 3: Cross multiply
    261,640.09x = 361,067.11 × 146,943.56
  4. Step 4: Simplify right side
    261,640.09x = 53,056,486,542.31
  5. Step 5: Solve for x
    x = 53,056,486,542.31/261,640.09
  6. Step 6: Final answer
    x = 202,784.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.