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Finding the Fourth Proportional to 116,892.90, 161,313.93 and 66,590.82

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Solution

The fourth proportional to 116,892.90, 161,313.93 and 66,590.82 is: 91,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,892.90 : 161,313.93 = 66,590.82 : x
  2. Step 2: Convert to fraction form
    116,892.90/161,313.93 = 66,590.82/x
  3. Step 3: Cross multiply
    116,892.90x = 161,313.93 × 66,590.82
  4. Step 4: Simplify right side
    116,892.90x = 10,742,026,876.12
  5. Step 5: Solve for x
    x = 10,742,026,876.12/116,892.90
  6. Step 6: Final answer
    x = 91,896.32

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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.