Home / 141,480.37-195,270.65-81,091.50

Finding the Fourth Proportional to 141,480.37, 195,270.65 and 81,091.50

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Solution

The fourth proportional to 141,480.37, 195,270.65 and 81,091.50 is: 111,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,480.37 : 195,270.65 = 81,091.50 : x
  2. Step 2: Convert to fraction form
    141,480.37/195,270.65 = 81,091.50/x
  3. Step 3: Cross multiply
    141,480.37x = 195,270.65 × 81,091.50
  4. Step 4: Simplify right side
    141,480.37x = 15,834,789,629.03
  5. Step 5: Solve for x
    x = 15,834,789,629.03/141,480.37
  6. Step 6: Final answer
    x = 111,922.17

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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.