Home / 104,930.16-144,801.68-57,183.84

Finding the Fourth Proportional to 104,930.16, 144,801.68 and 57,183.84

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Solution

The fourth proportional to 104,930.16, 144,801.68 and 57,183.84 is: 78,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.16 : 144,801.68 = 57,183.84 : x
  2. Step 2: Convert to fraction form
    104,930.16/144,801.68 = 57,183.84/x
  3. Step 3: Cross multiply
    104,930.16x = 144,801.68 × 57,183.84
  4. Step 4: Simplify right side
    104,930.16x = 8,280,316,100.85
  5. Step 5: Solve for x
    x = 8,280,316,100.85/104,930.16
  6. Step 6: Final answer
    x = 78,912.64

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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.