Home / 211,891.30-292,287.82-126,959.15

Finding the Fourth Proportional to 211,891.30, 292,287.82 and 126,959.15

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Solution

The fourth proportional to 211,891.30, 292,287.82 and 126,959.15 is: 175,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,891.30 : 292,287.82 = 126,959.15 : x
  2. Step 2: Convert to fraction form
    211,891.30/292,287.82 = 126,959.15/x
  3. Step 3: Cross multiply
    211,891.30x = 292,287.82 × 126,959.15
  4. Step 4: Simplify right side
    211,891.30x = 37,108,613,182.55
  5. Step 5: Solve for x
    x = 37,108,613,182.55/211,891.30
  6. Step 6: Final answer
    x = 175,130.42

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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.