Home / 104,640.52-144,435.54-71,125.96

Finding the Fourth Proportional to 104,640.52, 144,435.54 and 71,125.96

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Solution

The fourth proportional to 104,640.52, 144,435.54 and 71,125.96 is: 98,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640.52 : 144,435.54 = 71,125.96 : x
  2. Step 2: Convert to fraction form
    104,640.52/144,435.54 = 71,125.96/x
  3. Step 3: Cross multiply
    104,640.52x = 144,435.54 × 71,125.96
  4. Step 4: Simplify right side
    104,640.52x = 10,273,116,440.62
  5. Step 5: Solve for x
    x = 10,273,116,440.62/104,640.52
  6. Step 6: Final answer
    x = 98,175.32

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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.