Home / 255,437.22-352,514.31-142,259.97

Finding the Fourth Proportional to 255,437.22, 352,514.31 and 142,259.97

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Solution

The fourth proportional to 255,437.22, 352,514.31 and 142,259.97 is: 196,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,437.22 : 352,514.31 = 142,259.97 : x
  2. Step 2: Convert to fraction form
    255,437.22/352,514.31 = 142,259.97/x
  3. Step 3: Cross multiply
    255,437.22x = 352,514.31 × 142,259.97
  4. Step 4: Simplify right side
    255,437.22x = 50,148,675,165.17
  5. Step 5: Solve for x
    x = 50,148,675,165.17/255,437.22
  6. Step 6: Final answer
    x = 196,324.85

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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.