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Finding the Fourth Proportional to 180,026.29, 248,428.77 and 103,539.61

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Solution

The fourth proportional to 180,026.29, 248,428.77 and 103,539.61 is: 142,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,026.29 : 248,428.77 = 103,539.61 : x
  2. Step 2: Convert to fraction form
    180,026.29/248,428.77 = 103,539.61/x
  3. Step 3: Cross multiply
    180,026.29x = 248,428.77 × 103,539.61
  4. Step 4: Simplify right side
    180,026.29x = 25,722,216,716.44
  5. Step 5: Solve for x
    x = 25,722,216,716.44/180,026.29
  6. Step 6: Final answer
    x = 142,880.34

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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.