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Finding the Fourth Proportional to 104,140.14, 143,713.47 and 56,393.54

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Solution

The fourth proportional to 104,140.14, 143,713.47 and 56,393.54 is: 77,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.14 : 143,713.47 = 56,393.54 : x
  2. Step 2: Convert to fraction form
    104,140.14/143,713.47 = 56,393.54/x
  3. Step 3: Cross multiply
    104,140.14x = 143,713.47 × 56,393.54
  4. Step 4: Simplify right side
    104,140.14x = 8,104,511,318.98
  5. Step 5: Solve for x
    x = 8,104,511,318.98/104,140.14
  6. Step 6: Final answer
    x = 77,823.13

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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.