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Finding the Fourth Proportional to 141,504.52, 195,274.83 and 77,842.39

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Solution

The fourth proportional to 141,504.52, 195,274.83 and 77,842.39 is: 107,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,504.52 : 195,274.83 = 77,842.39 : x
  2. Step 2: Convert to fraction form
    141,504.52/195,274.83 = 77,842.39/x
  3. Step 3: Cross multiply
    141,504.52x = 195,274.83 × 77,842.39
  4. Step 4: Simplify right side
    141,504.52x = 15,200,659,474.04
  5. Step 5: Solve for x
    x = 15,200,659,474.04/141,504.52
  6. Step 6: Final answer
    x = 107,421.72

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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.