Home / 146,108.80-219,163.20-140,203.90

Finding the Fourth Proportional to 146,108.80, 219,163.20 and 140,203.90

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Solution

The fourth proportional to 146,108.80, 219,163.20 and 140,203.90 is: 210,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,108.80 : 219,163.20 = 140,203.90 : x
  2. Step 2: Convert to fraction form
    146,108.80/219,163.20 = 140,203.90/x
  3. Step 3: Cross multiply
    146,108.80x = 219,163.20 × 140,203.90
  4. Step 4: Simplify right side
    146,108.80x = 30,727,535,376.48
  5. Step 5: Solve for x
    x = 30,727,535,376.48/146,108.80
  6. Step 6: Final answer
    x = 210,305.85

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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.