Home / 76,170.30-114,174.45-36,701.70

Finding the Fourth Proportional to 76,170.30, 114,174.45 and 36,701.70

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Solution

The fourth proportional to 76,170.30, 114,174.45 and 36,701.70 is: 55,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,170.30 : 114,174.45 = 36,701.70 : x
  2. Step 2: Convert to fraction form
    76,170.30/114,174.45 = 36,701.70/x
  3. Step 3: Cross multiply
    76,170.30x = 114,174.45 × 36,701.70
  4. Step 4: Simplify right side
    76,170.30x = 4,190,396,411.57
  5. Step 5: Solve for x
    x = 4,190,396,411.57/76,170.30
  6. Step 6: Final answer
    x = 55,013.52

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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.