Home / 104,108.28-156,163.50-82,039.56

Finding the Fourth Proportional to 104,108.28, 156,163.50 and 82,039.56

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Solution

The fourth proportional to 104,108.28, 156,163.50 and 82,039.56 is: 123,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.28 : 156,163.50 = 82,039.56 : x
  2. Step 2: Convert to fraction form
    104,108.28/156,163.50 = 82,039.56/x
  3. Step 3: Cross multiply
    104,108.28x = 156,163.50 × 82,039.56
  4. Step 4: Simplify right side
    104,108.28x = 12,811,584,828.06
  5. Step 5: Solve for x
    x = 12,811,584,828.06/104,108.28
  6. Step 6: Final answer
    x = 123,060.19

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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.