Home / 104,961.55-144,845.76-57,213.85

Finding the Fourth Proportional to 104,961.55, 144,845.76 and 57,213.85

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Solution

The fourth proportional to 104,961.55, 144,845.76 and 57,213.85 is: 78,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,961.55 : 144,845.76 = 57,213.85 : x
  2. Step 2: Convert to fraction form
    104,961.55/144,845.76 = 57,213.85/x
  3. Step 3: Cross multiply
    104,961.55x = 144,845.76 × 57,213.85
  4. Step 4: Simplify right side
    104,961.55x = 8,287,183,585.78
  5. Step 5: Solve for x
    x = 8,287,183,585.78/104,961.55
  6. Step 6: Final answer
    x = 78,954.47

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1.5x scale

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.