Home / 104,767.85-144,579.68-57,021.53

Finding the Fourth Proportional to 104,767.85, 144,579.68 and 57,021.53

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Solution

The fourth proportional to 104,767.85, 144,579.68 and 57,021.53 is: 78,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,767.85 : 144,579.68 = 57,021.53 : x
  2. Step 2: Convert to fraction form
    104,767.85/144,579.68 = 57,021.53/x
  3. Step 3: Cross multiply
    104,767.85x = 144,579.68 × 57,021.53
  4. Step 4: Simplify right side
    104,767.85x = 8,244,153,552.50
  5. Step 5: Solve for x
    x = 8,244,153,552.50/104,767.85
  6. Step 6: Final answer
    x = 78,689.73

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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.