Home / 141,728.36-195,760.68-102,904.26

Finding the Fourth Proportional to 141,728.36, 195,760.68 and 102,904.26

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Solution

The fourth proportional to 141,728.36, 195,760.68 and 102,904.26 is: 142,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,728.36 : 195,760.68 = 102,904.26 : x
  2. Step 2: Convert to fraction form
    141,728.36/195,760.68 = 102,904.26/x
  3. Step 3: Cross multiply
    141,728.36x = 195,760.68 × 102,904.26
  4. Step 4: Simplify right side
    141,728.36x = 20,144,607,912.50
  5. Step 5: Solve for x
    x = 20,144,607,912.50/141,728.36
  6. Step 6: Final answer
    x = 142,135.33

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1.5x scale

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.