Home / 141,744.89-195,600.75-78,081.32

Finding the Fourth Proportional to 141,744.89, 195,600.75 and 78,081.32

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Solution

The fourth proportional to 141,744.89, 195,600.75 and 78,081.32 is: 107,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,744.89 : 195,600.75 = 78,081.32 : x
  2. Step 2: Convert to fraction form
    141,744.89/195,600.75 = 78,081.32/x
  3. Step 3: Cross multiply
    141,744.89x = 195,600.75 × 78,081.32
  4. Step 4: Simplify right side
    141,744.89x = 15,272,764,752.99
  5. Step 5: Solve for x
    x = 15,272,764,752.99/141,744.89
  6. Step 6: Final answer
    x = 107,748.26

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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.