Home / 211,801.72-292,339.26-131,180.92

Finding the Fourth Proportional to 211,801.72, 292,339.26 and 131,180.92

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Solution

The fourth proportional to 211,801.72, 292,339.26 and 131,180.92 is: 181,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,801.72 : 292,339.26 = 131,180.92 : x
  2. Step 2: Convert to fraction form
    211,801.72/292,339.26 = 131,180.92/x
  3. Step 3: Cross multiply
    211,801.72x = 292,339.26 × 131,180.92
  4. Step 4: Simplify right side
    211,801.72x = 38,349,333,078.92
  5. Step 5: Solve for x
    x = 38,349,333,078.92/211,801.72
  6. Step 6: Final answer
    x = 181,062.43

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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.