Home / 80,108.20-119,903.10-73,887.40

Finding the Fourth Proportional to 80,108.20, 119,903.10 and 73,887.40

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Solution

The fourth proportional to 80,108.20, 119,903.10 and 73,887.40 is: 110,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,108.20 : 119,903.10 = 73,887.40 : x
  2. Step 2: Convert to fraction form
    80,108.20/119,903.10 = 73,887.40/x
  3. Step 3: Cross multiply
    80,108.20x = 119,903.10 × 73,887.40
  4. Step 4: Simplify right side
    80,108.20x = 8,859,328,310.94
  5. Step 5: Solve for x
    x = 8,859,328,310.94/80,108.20
  6. Step 6: Final answer
    x = 110,592.03

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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.