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Finding the Fourth Proportional to 101,171.35, 139,615.67 and 55,849.32

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Solution

The fourth proportional to 101,171.35, 139,615.67 and 55,849.32 is: 77,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,171.35 : 139,615.67 = 55,849.32 : x
  2. Step 2: Convert to fraction form
    101,171.35/139,615.67 = 55,849.32/x
  3. Step 3: Cross multiply
    101,171.35x = 139,615.67 × 55,849.32
  4. Step 4: Simplify right side
    101,171.35x = 7,797,440,230.84
  5. Step 5: Solve for x
    x = 7,797,440,230.84/101,171.35
  6. Step 6: Final answer
    x = 77,071.62

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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.