Home / 141,313.24-195,016.62-77,653

Finding the Fourth Proportional to 141,313.24, 195,016.62 and 77,653

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Solution

The fourth proportional to 141,313.24, 195,016.62 and 77,653 is: 107,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.24 : 195,016.62 = 77,653 : x
  2. Step 2: Convert to fraction form
    141,313.24/195,016.62 = 77,653/x
  3. Step 3: Cross multiply
    141,313.24x = 195,016.62 × 77,653
  4. Step 4: Simplify right side
    141,313.24x = 15,143,625,592.86
  5. Step 5: Solve for x
    x = 15,143,625,592.86/141,313.24
  6. Step 6: Final answer
    x = 107,163.53

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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.