Home / 211,764.30-292,371.49-131,277.84

Finding the Fourth Proportional to 211,764.30, 292,371.49 and 131,277.84

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Solution

The fourth proportional to 211,764.30, 292,371.49 and 131,277.84 is: 181,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,764.30 : 292,371.49 = 131,277.84 : x
  2. Step 2: Convert to fraction form
    211,764.30/292,371.49 = 131,277.84/x
  3. Step 3: Cross multiply
    211,764.30x = 292,371.49 × 131,277.84
  4. Step 4: Simplify right side
    211,764.30x = 38,381,897,684.78
  5. Step 5: Solve for x
    x = 38,381,897,684.78/211,764.30
  6. Step 6: Final answer
    x = 181,248.20

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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.