Home / 141,932.84-195,864.42-78,272.36

Finding the Fourth Proportional to 141,932.84, 195,864.42 and 78,272.36

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Solution

The fourth proportional to 141,932.84, 195,864.42 and 78,272.36 is: 108,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,932.84 : 195,864.42 = 78,272.36 : x
  2. Step 2: Convert to fraction form
    141,932.84/195,864.42 = 78,272.36/x
  3. Step 3: Cross multiply
    141,932.84x = 195,864.42 × 78,272.36
  4. Step 4: Simplify right side
    141,932.84x = 15,330,770,393.43
  5. Step 5: Solve for x
    x = 15,330,770,393.43/141,932.84
  6. Step 6: Final answer
    x = 108,014.26

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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.