Home / 146,517.72-219,956-96,639.52

Finding the Fourth Proportional to 146,517.72, 219,956 and 96,639.52

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Solution

The fourth proportional to 146,517.72, 219,956 and 96,639.52 is: 145,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,517.72 : 219,956 = 96,639.52 : x
  2. Step 2: Convert to fraction form
    146,517.72/219,956 = 96,639.52/x
  3. Step 3: Cross multiply
    146,517.72x = 219,956 × 96,639.52
  4. Step 4: Simplify right side
    146,517.72x = 21,256,442,261.12
  5. Step 5: Solve for x
    x = 21,256,442,261.12/146,517.72
  6. Step 6: Final answer
    x = 145,077.62

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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.