Home / 263,708.32-363,919.23-142,849.61

Finding the Fourth Proportional to 263,708.32, 363,919.23 and 142,849.61

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Solution

The fourth proportional to 263,708.32, 363,919.23 and 142,849.61 is: 197,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,708.32 : 363,919.23 = 142,849.61 : x
  2. Step 2: Convert to fraction form
    263,708.32/363,919.23 = 142,849.61/x
  3. Step 3: Cross multiply
    263,708.32x = 363,919.23 × 142,849.61
  4. Step 4: Simplify right side
    263,708.32x = 51,985,719,622.10
  5. Step 5: Solve for x
    x = 51,985,719,622.10/263,708.32
  6. Step 6: Final answer
    x = 197,133.41

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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.