Home / 146,171.31-219,256.94-55,003.85

Finding the Fourth Proportional to 146,171.31, 219,256.94 and 55,003.85

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Solution

The fourth proportional to 146,171.31, 219,256.94 and 55,003.85 is: 82,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,171.31 : 219,256.94 = 55,003.85 : x
  2. Step 2: Convert to fraction form
    146,171.31/219,256.94 = 55,003.85/x
  3. Step 3: Cross multiply
    146,171.31x = 219,256.94 × 55,003.85
  4. Step 4: Simplify right side
    146,171.31x = 12,059,975,702.66
  5. Step 5: Solve for x
    x = 12,059,975,702.66/146,171.31
  6. Step 6: Final answer
    x = 82,505.77

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1.5x scale

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.