Home / 141,317.20-195,028.60-80,906.80

Finding the Fourth Proportional to 141,317.20, 195,028.60 and 80,906.80

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Solution

The fourth proportional to 141,317.20, 195,028.60 and 80,906.80 is: 111,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,317.20 : 195,028.60 = 80,906.80 : x
  2. Step 2: Convert to fraction form
    141,317.20/195,028.60 = 80,906.80/x
  3. Step 3: Cross multiply
    141,317.20x = 195,028.60 × 80,906.80
  4. Step 4: Simplify right side
    141,317.20x = 15,779,139,934.48
  5. Step 5: Solve for x
    x = 15,779,139,934.48/141,317.20
  6. Step 6: Final answer
    x = 111,657.60

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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.