Home / 104,909.29-144,774.84-57,162.65

Finding the Fourth Proportional to 104,909.29, 144,774.84 and 57,162.65

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Solution

The fourth proportional to 104,909.29, 144,774.84 and 57,162.65 is: 78,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.29 : 144,774.84 = 57,162.65 : x
  2. Step 2: Convert to fraction form
    104,909.29/144,774.84 = 57,162.65/x
  3. Step 3: Cross multiply
    104,909.29x = 144,774.84 × 57,162.65
  4. Step 4: Simplify right side
    104,909.29x = 8,275,713,507.73
  5. Step 5: Solve for x
    x = 8,275,713,507.73/104,909.29
  6. Step 6: Final answer
    x = 78,884.47

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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.