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Finding the Fourth Proportional to 104,143.54, 143,718.22 and 56,396.96

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Solution

The fourth proportional to 104,143.54, 143,718.22 and 56,396.96 is: 77,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,143.54 : 143,718.22 = 56,396.96 : x
  2. Step 2: Convert to fraction form
    104,143.54/143,718.22 = 56,396.96/x
  3. Step 3: Cross multiply
    104,143.54x = 143,718.22 × 56,396.96
  4. Step 4: Simplify right side
    104,143.54x = 8,105,270,704.61
  5. Step 5: Solve for x
    x = 8,105,270,704.61/104,143.54
  6. Step 6: Final answer
    x = 77,827.88

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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.