Home / 211,951.08-292,508.75-121,335.44

Finding the Fourth Proportional to 211,951.08, 292,508.75 and 121,335.44

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Solution

The fourth proportional to 211,951.08, 292,508.75 and 121,335.44 is: 167,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,951.08 : 292,508.75 = 121,335.44 : x
  2. Step 2: Convert to fraction form
    211,951.08/292,508.75 = 121,335.44/x
  3. Step 3: Cross multiply
    211,951.08x = 292,508.75 × 121,335.44
  4. Step 4: Simplify right side
    211,951.08x = 35,491,676,725.89
  5. Step 5: Solve for x
    x = 35,491,676,725.89/211,951.08
  6. Step 6: Final answer
    x = 167,452.21

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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.