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Finding the Fourth Proportional to 108,796.50, 163,444.91 and 77,283.18

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Solution

The fourth proportional to 108,796.50, 163,444.91 and 77,283.18 is: 116,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,796.50 : 163,444.91 = 77,283.18 : x
  2. Step 2: Convert to fraction form
    108,796.50/163,444.91 = 77,283.18/x
  3. Step 3: Cross multiply
    108,796.50x = 163,444.91 × 77,283.18
  4. Step 4: Simplify right side
    108,796.50x = 12,631,542,013.20
  5. Step 5: Solve for x
    x = 12,631,542,013.20/108,796.50
  6. Step 6: Final answer
    x = 116,102.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.