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Finding the Fourth Proportional to 176,511.36, 243,583.83 and 131,391.12

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Solution

The fourth proportional to 176,511.36, 243,583.83 and 131,391.12 is: 181,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,511.36 : 243,583.83 = 131,391.12 : x
  2. Step 2: Convert to fraction form
    176,511.36/243,583.83 = 131,391.12/x
  3. Step 3: Cross multiply
    176,511.36x = 243,583.83 × 131,391.12
  4. Step 4: Simplify right side
    176,511.36x = 32,004,752,237.59
  5. Step 5: Solve for x
    x = 32,004,752,237.59/176,511.36
  6. Step 6: Final answer
    x = 181,318.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.