Home / 104,909.62-144,775.30-57,162.96

Finding the Fourth Proportional to 104,909.62, 144,775.30 and 57,162.96

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Solution

The fourth proportional to 104,909.62, 144,775.30 and 57,162.96 is: 78,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.62 : 144,775.30 = 57,162.96 : x
  2. Step 2: Convert to fraction form
    104,909.62/144,775.30 = 57,162.96/x
  3. Step 3: Cross multiply
    104,909.62x = 144,775.30 × 57,162.96
  4. Step 4: Simplify right side
    104,909.62x = 8,275,784,682.89
  5. Step 5: Solve for x
    x = 8,275,784,682.89/104,909.62
  6. Step 6: Final answer
    x = 78,884.90

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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.