Home / 141,501.87-195,268.66-77,839.79

Finding the Fourth Proportional to 141,501.87, 195,268.66 and 77,839.79

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Solution

The fourth proportional to 141,501.87, 195,268.66 and 77,839.79 is: 107,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,501.87 : 195,268.66 = 77,839.79 : x
  2. Step 2: Convert to fraction form
    141,501.87/195,268.66 = 77,839.79/x
  3. Step 3: Cross multiply
    141,501.87x = 195,268.66 × 77,839.79
  4. Step 4: Simplify right side
    141,501.87x = 15,199,670,317.04
  5. Step 5: Solve for x
    x = 15,199,670,317.04/141,501.87
  6. Step 6: Final answer
    x = 107,416.75

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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.