Home / 133,330.25-183,998.61-79,605.24

Finding the Fourth Proportional to 133,330.25, 183,998.61 and 79,605.24

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Solution

The fourth proportional to 133,330.25, 183,998.61 and 79,605.24 is: 109,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,330.25 : 183,998.61 = 79,605.24 : x
  2. Step 2: Convert to fraction form
    133,330.25/183,998.61 = 79,605.24/x
  3. Step 3: Cross multiply
    133,330.25x = 183,998.61 × 79,605.24
  4. Step 4: Simplify right side
    133,330.25x = 14,647,253,508.72
  5. Step 5: Solve for x
    x = 14,647,253,508.72/133,330.25
  6. Step 6: Final answer
    x = 109,856.95

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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.