Home / 263,761.83-363,991.41-142,903.95

Finding the Fourth Proportional to 263,761.83, 363,991.41 and 142,903.95

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Solution

The fourth proportional to 263,761.83, 363,991.41 and 142,903.95 is: 197,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,761.83 : 363,991.41 = 142,903.95 : x
  2. Step 2: Convert to fraction form
    263,761.83/363,991.41 = 142,903.95/x
  3. Step 3: Cross multiply
    263,761.83x = 363,991.41 × 142,903.95
  4. Step 4: Simplify right side
    263,761.83x = 52,015,810,255.07
  5. Step 5: Solve for x
    x = 52,015,810,255.07/263,761.83
  6. Step 6: Final answer
    x = 197,207.50

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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.