Home / 141,550.35-195,333.62-77,019.85

Finding the Fourth Proportional to 141,550.35, 195,333.62 and 77,019.85

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Solution

The fourth proportional to 141,550.35, 195,333.62 and 77,019.85 is: 106,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,550.35 : 195,333.62 = 77,019.85 : x
  2. Step 2: Convert to fraction form
    141,550.35/195,333.62 = 77,019.85/x
  3. Step 3: Cross multiply
    141,550.35x = 195,333.62 × 77,019.85
  4. Step 4: Simplify right side
    141,550.35x = 15,044,566,260.25
  5. Step 5: Solve for x
    x = 15,044,566,260.25/141,550.35
  6. Step 6: Final answer
    x = 106,284.21

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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.