Home / 263,629.12-363,808.52-142,770.60

Finding the Fourth Proportional to 263,629.12, 363,808.52 and 142,770.60

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Solution

The fourth proportional to 263,629.12, 363,808.52 and 142,770.60 is: 197,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,629.12 : 363,808.52 = 142,770.60 : x
  2. Step 2: Convert to fraction form
    263,629.12/363,808.52 = 142,770.60/x
  3. Step 3: Cross multiply
    263,629.12x = 363,808.52 × 142,770.60
  4. Step 4: Simplify right side
    263,629.12x = 51,941,160,685.51
  5. Step 5: Solve for x
    x = 51,941,160,685.51/263,629.12
  6. Step 6: Final answer
    x = 197,023.61

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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.