Home / 141,315.20-195,025.84-80,904.80

Finding the Fourth Proportional to 141,315.20, 195,025.84 and 80,904.80

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Solution

The fourth proportional to 141,315.20, 195,025.84 and 80,904.80 is: 111,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,315.20 : 195,025.84 = 80,904.80 : x
  2. Step 2: Convert to fraction form
    141,315.20/195,025.84 = 80,904.80/x
  3. Step 3: Cross multiply
    141,315.20x = 195,025.84 × 80,904.80
  4. Step 4: Simplify right side
    141,315.20x = 15,778,526,580.03
  5. Step 5: Solve for x
    x = 15,778,526,580.03/141,315.20
  6. Step 6: Final answer
    x = 111,654.84

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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.