Home / 211,814.44-292,230.84-135,378.27

Finding the Fourth Proportional to 211,814.44, 292,230.84 and 135,378.27

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Solution

The fourth proportional to 211,814.44, 292,230.84 and 135,378.27 is: 186,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,814.44 : 292,230.84 = 135,378.27 : x
  2. Step 2: Convert to fraction form
    211,814.44/292,230.84 = 135,378.27/x
  3. Step 3: Cross multiply
    211,814.44x = 292,230.84 × 135,378.27
  4. Step 4: Simplify right side
    211,814.44x = 39,561,706,067.52
  5. Step 5: Solve for x
    x = 39,561,706,067.52/211,814.44
  6. Step 6: Final answer
    x = 186,775.30

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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.