Home / 211,893.12-292,467.98-131,274.83

Finding the Fourth Proportional to 211,893.12, 292,467.98 and 131,274.83

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Solution

The fourth proportional to 211,893.12, 292,467.98 and 131,274.83 is: 181,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,893.12 : 292,467.98 = 131,274.83 : x
  2. Step 2: Convert to fraction form
    211,893.12/292,467.98 = 131,274.83/x
  3. Step 3: Cross multiply
    211,893.12x = 292,467.98 × 131,274.83
  4. Step 4: Simplify right side
    211,893.12x = 38,393,685,414.30
  5. Step 5: Solve for x
    x = 38,393,685,414.30/211,893.12
  6. Step 6: Final answer
    x = 181,193.64

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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.