Home / 230,983.23-318,747.87-144,988.59

Finding the Fourth Proportional to 230,983.23, 318,747.87 and 144,988.59

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Solution

The fourth proportional to 230,983.23, 318,747.87 and 144,988.59 is: 200,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,983.23 : 318,747.87 = 144,988.59 : x
  2. Step 2: Convert to fraction form
    230,983.23/318,747.87 = 144,988.59/x
  3. Step 3: Cross multiply
    230,983.23x = 318,747.87 × 144,988.59
  4. Step 4: Simplify right side
    230,983.23x = 46,214,804,236.80
  5. Step 5: Solve for x
    x = 46,214,804,236.80/230,983.23
  6. Step 6: Final answer
    x = 200,078.61

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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.