Home / 104,125.20-156,186.42-25,240.12

Finding the Fourth Proportional to 104,125.20, 156,186.42 and 25,240.12

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Solution

The fourth proportional to 104,125.20, 156,186.42 and 25,240.12 is: 37,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.20 : 156,186.42 = 25,240.12 : x
  2. Step 2: Convert to fraction form
    104,125.20/156,186.42 = 25,240.12/x
  3. Step 3: Cross multiply
    104,125.20x = 156,186.42 × 25,240.12
  4. Step 4: Simplify right side
    104,125.20x = 3,942,163,983.17
  5. Step 5: Solve for x
    x = 3,942,163,983.17/104,125.20
  6. Step 6: Final answer
    x = 37,859.85

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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.