Home / 263,649.41-363,836.07-142,790.70

Finding the Fourth Proportional to 263,649.41, 363,836.07 and 142,790.70

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Solution

The fourth proportional to 263,649.41, 363,836.07 and 142,790.70 is: 197,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,649.41 : 363,836.07 = 142,790.70 : x
  2. Step 2: Convert to fraction form
    263,649.41/363,836.07 = 142,790.70/x
  3. Step 3: Cross multiply
    263,649.41x = 363,836.07 × 142,790.70
  4. Step 4: Simplify right side
    263,649.41x = 51,952,407,120.55
  5. Step 5: Solve for x
    x = 51,952,407,120.55/263,649.41
  6. Step 6: Final answer
    x = 197,051.10

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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.