Home / 104,764.72-144,556.16-68,456.56

Finding the Fourth Proportional to 104,764.72, 144,556.16 and 68,456.56

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Solution

The fourth proportional to 104,764.72, 144,556.16 and 68,456.56 is: 94,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,764.72 : 144,556.16 = 68,456.56 : x
  2. Step 2: Convert to fraction form
    104,764.72/144,556.16 = 68,456.56/x
  3. Step 3: Cross multiply
    104,764.72x = 144,556.16 × 68,456.56
  4. Step 4: Simplify right side
    104,764.72x = 9,895,817,440.41
  5. Step 5: Solve for x
    x = 9,895,817,440.41/104,764.72
  6. Step 6: Final answer
    x = 94,457.54

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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.