Home / 263,617.81-363,790.77-142,756.33

Finding the Fourth Proportional to 263,617.81, 363,790.77 and 142,756.33

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Solution

The fourth proportional to 263,617.81, 363,790.77 and 142,756.33 is: 197,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,617.81 : 363,790.77 = 142,756.33 : x
  2. Step 2: Convert to fraction form
    263,617.81/363,790.77 = 142,756.33/x
  3. Step 3: Cross multiply
    263,617.81x = 363,790.77 × 142,756.33
  4. Step 4: Simplify right side
    263,617.81x = 51,933,435,213.07
  5. Step 5: Solve for x
    x = 51,933,435,213.07/263,617.81
  6. Step 6: Final answer
    x = 197,002.76

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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.