Home / 141,450.23-195,197.42-77,788.03

Finding the Fourth Proportional to 141,450.23, 195,197.42 and 77,788.03

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Solution

The fourth proportional to 141,450.23, 195,197.42 and 77,788.03 is: 107,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,450.23 : 195,197.42 = 77,788.03 : x
  2. Step 2: Convert to fraction form
    141,450.23/195,197.42 = 77,788.03/x
  3. Step 3: Cross multiply
    141,450.23x = 195,197.42 × 77,788.03
  4. Step 4: Simplify right side
    141,450.23x = 15,184,022,103.36
  5. Step 5: Solve for x
    x = 15,184,022,103.36/141,450.23
  6. Step 6: Final answer
    x = 107,345.33

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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.