Home / 141,786.54-195,674.16-78,124.32

Finding the Fourth Proportional to 141,786.54, 195,674.16 and 78,124.32

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Solution

The fourth proportional to 141,786.54, 195,674.16 and 78,124.32 is: 107,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786.54 : 195,674.16 = 78,124.32 : x
  2. Step 2: Convert to fraction form
    141,786.54/195,674.16 = 78,124.32/x
  3. Step 3: Cross multiply
    141,786.54x = 195,674.16 × 78,124.32
  4. Step 4: Simplify right side
    141,786.54x = 15,286,910,691.57
  5. Step 5: Solve for x
    x = 15,286,910,691.57/141,786.54
  6. Step 6: Final answer
    x = 107,816.37

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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.