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Finding the Fourth Proportional to 133,187.56, 183,804.44 and 76,599

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Solution

The fourth proportional to 133,187.56, 183,804.44 and 76,599 is: 105,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,187.56 : 183,804.44 = 76,599 : x
  2. Step 2: Convert to fraction form
    133,187.56/183,804.44 = 76,599/x
  3. Step 3: Cross multiply
    133,187.56x = 183,804.44 × 76,599
  4. Step 4: Simplify right side
    133,187.56x = 14,079,236,299.56
  5. Step 5: Solve for x
    x = 14,079,236,299.56/133,187.56
  6. Step 6: Final answer
    x = 105,709.84

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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.