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Finding the Fourth Proportional to 101,241.90, 139,722.30 and 58,797.90

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Solution

The fourth proportional to 101,241.90, 139,722.30 and 58,797.90 is: 81,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,241.90 : 139,722.30 = 58,797.90 : x
  2. Step 2: Convert to fraction form
    101,241.90/139,722.30 = 58,797.90/x
  3. Step 3: Cross multiply
    101,241.90x = 139,722.30 × 58,797.90
  4. Step 4: Simplify right side
    101,241.90x = 8,215,377,823.17
  5. Step 5: Solve for x
    x = 8,215,377,823.17/101,241.90
  6. Step 6: Final answer
    x = 81,146.03

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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.