Home / 230,761.56-346,161.78-72,986.52

Finding the Fourth Proportional to 230,761.56, 346,161.78 and 72,986.52

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Solution

The fourth proportional to 230,761.56, 346,161.78 and 72,986.52 is: 109,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,761.56 : 346,161.78 = 72,986.52 : x
  2. Step 2: Convert to fraction form
    230,761.56/346,161.78 = 72,986.52/x
  3. Step 3: Cross multiply
    230,761.56x = 346,161.78 × 72,986.52
  4. Step 4: Simplify right side
    230,761.56x = 25,265,143,679.21
  5. Step 5: Solve for x
    x = 25,265,143,679.21/230,761.56
  6. Step 6: Final answer
    x = 109,485.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.