Home / 104,928.42-144,801.24-57,181.78

Finding the Fourth Proportional to 104,928.42, 144,801.24 and 57,181.78

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Solution

The fourth proportional to 104,928.42, 144,801.24 and 57,181.78 is: 78,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.42 : 144,801.24 = 57,181.78 : x
  2. Step 2: Convert to fraction form
    104,928.42/144,801.24 = 57,181.78/x
  3. Step 3: Cross multiply
    104,928.42x = 144,801.24 × 57,181.78
  4. Step 4: Simplify right side
    104,928.42x = 8,279,991,925.40
  5. Step 5: Solve for x
    x = 8,279,991,925.40/104,928.42
  6. Step 6: Final answer
    x = 78,910.86

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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.