Home / 141,391.20-195,116.94-84,820.80

Finding the Fourth Proportional to 141,391.20, 195,116.94 and 84,820.80

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Solution

The fourth proportional to 141,391.20, 195,116.94 and 84,820.80 is: 117,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,391.20 : 195,116.94 = 84,820.80 : x
  2. Step 2: Convert to fraction form
    141,391.20/195,116.94 = 84,820.80/x
  3. Step 3: Cross multiply
    141,391.20x = 195,116.94 × 84,820.80
  4. Step 4: Simplify right side
    141,391.20x = 16,549,974,944.35
  5. Step 5: Solve for x
    x = 16,549,974,944.35/141,391.20
  6. Step 6: Final answer
    x = 117,050.95

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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.