Home / 94,220.80-141,331.20-68,108.80

Finding the Fourth Proportional to 94,220.80, 141,331.20 and 68,108.80

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Solution

The fourth proportional to 94,220.80, 141,331.20 and 68,108.80 is: 102,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,220.80 : 141,331.20 = 68,108.80 : x
  2. Step 2: Convert to fraction form
    94,220.80/141,331.20 = 68,108.80/x
  3. Step 3: Cross multiply
    94,220.80x = 141,331.20 × 68,108.80
  4. Step 4: Simplify right side
    94,220.80x = 9,625,898,434.56
  5. Step 5: Solve for x
    x = 9,625,898,434.56/94,220.80
  6. Step 6: Final answer
    x = 102,163.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.