Home / 141,312.20-195,021.69-80,901.80

Finding the Fourth Proportional to 141,312.20, 195,021.69 and 80,901.80

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Solution

The fourth proportional to 141,312.20, 195,021.69 and 80,901.80 is: 111,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,312.20 : 195,021.69 = 80,901.80 : x
  2. Step 2: Convert to fraction form
    141,312.20/195,021.69 = 80,901.80/x
  3. Step 3: Cross multiply
    141,312.20x = 195,021.69 × 80,901.80
  4. Step 4: Simplify right side
    141,312.20x = 15,777,605,760.04
  5. Step 5: Solve for x
    x = 15,777,605,760.04/141,312.20
  6. Step 6: Final answer
    x = 111,650.70

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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.