Home / 104,725.90-144,517.42-56,979.44

Finding the Fourth Proportional to 104,725.90, 144,517.42 and 56,979.44

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Solution

The fourth proportional to 104,725.90, 144,517.42 and 56,979.44 is: 78,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,725.90 : 144,517.42 = 56,979.44 : x
  2. Step 2: Convert to fraction form
    104,725.90/144,517.42 = 56,979.44/x
  3. Step 3: Cross multiply
    104,725.90x = 144,517.42 × 56,979.44
  4. Step 4: Simplify right side
    104,725.90x = 8,234,521,010.48
  5. Step 5: Solve for x
    x = 8,234,521,010.48/104,725.90
  6. Step 6: Final answer
    x = 78,629.27

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1.5x scale

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.