Home / 144,764.24-217,010.28-78,104.48

Finding the Fourth Proportional to 144,764.24, 217,010.28 and 78,104.48

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Solution

The fourth proportional to 144,764.24, 217,010.28 and 78,104.48 is: 117,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,764.24 : 217,010.28 = 78,104.48 : x
  2. Step 2: Convert to fraction form
    144,764.24/217,010.28 = 78,104.48/x
  3. Step 3: Cross multiply
    144,764.24x = 217,010.28 × 78,104.48
  4. Step 4: Simplify right side
    144,764.24x = 16,949,475,074.05
  5. Step 5: Solve for x
    x = 16,949,475,074.05/144,764.24
  6. Step 6: Final answer
    x = 117,083.30

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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.