Home / 153,893.03-231,245.46-82,868.18

Finding the Fourth Proportional to 153,893.03, 231,245.46 and 82,868.18

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Solution

The fourth proportional to 153,893.03, 231,245.46 and 82,868.18 is: 124,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,893.03 : 231,245.46 = 82,868.18 : x
  2. Step 2: Convert to fraction form
    153,893.03/231,245.46 = 82,868.18/x
  3. Step 3: Cross multiply
    153,893.03x = 231,245.46 × 82,868.18
  4. Step 4: Simplify right side
    153,893.03x = 19,162,890,403.46
  5. Step 5: Solve for x
    x = 19,162,890,403.46/153,893.03
  6. Step 6: Final answer
    x = 124,520.85

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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.