Home / 141,918.27-195,846.60-78,257.13

Finding the Fourth Proportional to 141,918.27, 195,846.60 and 78,257.13

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Solution

The fourth proportional to 141,918.27, 195,846.60 and 78,257.13 is: 107,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,918.27 : 195,846.60 = 78,257.13 : x
  2. Step 2: Convert to fraction form
    141,918.27/195,846.60 = 78,257.13/x
  3. Step 3: Cross multiply
    141,918.27x = 195,846.60 × 78,257.13
  4. Step 4: Simplify right side
    141,918.27x = 15,326,392,836.26
  5. Step 5: Solve for x
    x = 15,326,392,836.26/141,918.27
  6. Step 6: Final answer
    x = 107,994.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.