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Finding the Fourth Proportional to 116,798.49, 161,180.01 and 65,813.40

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Solution

The fourth proportional to 116,798.49, 161,180.01 and 65,813.40 is: 90,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,798.49 : 161,180.01 = 65,813.40 : x
  2. Step 2: Convert to fraction form
    116,798.49/161,180.01 = 65,813.40/x
  3. Step 3: Cross multiply
    116,798.49x = 161,180.01 × 65,813.40
  4. Step 4: Simplify right side
    116,798.49x = 10,607,804,470.13
  5. Step 5: Solve for x
    x = 10,607,804,470.13/116,798.49
  6. Step 6: Final answer
    x = 90,821.42

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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.