Home / 104,762.72-144,553.40-68,454.56

Finding the Fourth Proportional to 104,762.72, 144,553.40 and 68,454.56

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Solution

The fourth proportional to 104,762.72, 144,553.40 and 68,454.56 is: 94,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,762.72 : 144,553.40 = 68,454.56 : x
  2. Step 2: Convert to fraction form
    104,762.72/144,553.40 = 68,454.56/x
  3. Step 3: Cross multiply
    104,762.72x = 144,553.40 × 68,454.56
  4. Step 4: Simplify right side
    104,762.72x = 9,895,339,393.50
  5. Step 5: Solve for x
    x = 9,895,339,393.50/104,762.72
  6. Step 6: Final answer
    x = 94,454.78

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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.