Home / 263,649.72-363,834.81-142,788.25

Finding the Fourth Proportional to 263,649.72, 363,834.81 and 142,788.25

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Solution

The fourth proportional to 263,649.72, 363,834.81 and 142,788.25 is: 197,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,649.72 : 363,834.81 = 142,788.25 : x
  2. Step 2: Convert to fraction form
    263,649.72/363,834.81 = 142,788.25/x
  3. Step 3: Cross multiply
    263,649.72x = 363,834.81 × 142,788.25
  4. Step 4: Simplify right side
    263,649.72x = 51,951,335,808.98
  5. Step 5: Solve for x
    x = 51,951,335,808.98/263,649.72
  6. Step 6: Final answer
    x = 197,046.81

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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.