Home / 283,514.40-425,370-125,853.54

Finding the Fourth Proportional to 283,514.40, 425,370 and 125,853.54

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Solution

The fourth proportional to 283,514.40, 425,370 and 125,853.54 is: 188,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,514.40 : 425,370 = 125,853.54 : x
  2. Step 2: Convert to fraction form
    283,514.40/425,370 = 125,853.54/x
  3. Step 3: Cross multiply
    283,514.40x = 425,370 × 125,853.54
  4. Step 4: Simplify right side
    283,514.40x = 53,534,320,309.80
  5. Step 5: Solve for x
    x = 53,534,320,309.80/283,514.40
  6. Step 6: Final answer
    x = 188,823.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.