Home / 104,767.92-144,579.74-57,021.62

Finding the Fourth Proportional to 104,767.92, 144,579.74 and 57,021.62

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Solution

The fourth proportional to 104,767.92, 144,579.74 and 57,021.62 is: 78,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,767.92 : 144,579.74 = 57,021.62 : x
  2. Step 2: Convert to fraction form
    104,767.92/144,579.74 = 57,021.62/x
  3. Step 3: Cross multiply
    104,767.92x = 144,579.74 × 57,021.62
  4. Step 4: Simplify right side
    104,767.92x = 8,244,169,985.97
  5. Step 5: Solve for x
    x = 8,244,169,985.97/104,767.92
  6. Step 6: Final answer
    x = 78,689.83

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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.