Home / 133,338.00-183,991.37-78,891.84

Finding the Fourth Proportional to 133,338.00, 183,991.37 and 78,891.84

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Solution

The fourth proportional to 133,338.00, 183,991.37 and 78,891.84 is: 108,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.00 : 183,991.37 = 78,891.84 : x
  2. Step 2: Convert to fraction form
    133,338.00/183,991.37 = 78,891.84/x
  3. Step 3: Cross multiply
    133,338.00x = 183,991.37 × 78,891.84
  4. Step 4: Simplify right side
    133,338.00x = 14,515,416,409.00
  5. Step 5: Solve for x
    x = 14,515,416,409.00/133,338.00
  6. Step 6: Final answer
    x = 108,861.82

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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.