Home / 263,708.14-363,919-142,849.44

Finding the Fourth Proportional to 263,708.14, 363,919 and 142,849.44

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Solution

The fourth proportional to 263,708.14, 363,919 and 142,849.44 is: 197,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,708.14 : 363,919 = 142,849.44 : x
  2. Step 2: Convert to fraction form
    263,708.14/363,919 = 142,849.44/x
  3. Step 3: Cross multiply
    263,708.14x = 363,919 × 142,849.44
  4. Step 4: Simplify right side
    263,708.14x = 51,985,625,355.36
  5. Step 5: Solve for x
    x = 51,985,625,355.36/263,708.14
  6. Step 6: Final answer
    x = 197,133.18

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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.