Home / 81,097.17-121,645.76-24,171.95

Finding the Fourth Proportional to 81,097.17, 121,645.76 and 24,171.95

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Solution

The fourth proportional to 81,097.17, 121,645.76 and 24,171.95 is: 36,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,097.17 : 121,645.76 = 24,171.95 : x
  2. Step 2: Convert to fraction form
    81,097.17/121,645.76 = 24,171.95/x
  3. Step 3: Cross multiply
    81,097.17x = 121,645.76 × 24,171.95
  4. Step 4: Simplify right side
    81,097.17x = 2,940,415,479.67
  5. Step 5: Solve for x
    x = 2,940,415,479.67/81,097.17
  6. Step 6: Final answer
    x = 36,257.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.