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Finding the Fourth Proportional to 131,051.13, 180,850.76 and 74,473.44

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Solution

The fourth proportional to 131,051.13, 180,850.76 and 74,473.44 is: 102,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,051.13 : 180,850.76 = 74,473.44 : x
  2. Step 2: Convert to fraction form
    131,051.13/180,850.76 = 74,473.44/x
  3. Step 3: Cross multiply
    131,051.13x = 180,850.76 × 74,473.44
  4. Step 4: Simplify right side
    131,051.13x = 13,468,578,223.81
  5. Step 5: Solve for x
    x = 13,468,578,223.81/131,051.13
  6. Step 6: Final answer
    x = 102,773.46

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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.