Home / 126,130.20-188,936.10-63,835.80

Finding the Fourth Proportional to 126,130.20, 188,936.10 and 63,835.80

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Solution

The fourth proportional to 126,130.20, 188,936.10 and 63,835.80 is: 95,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,130.20 : 188,936.10 = 63,835.80 : x
  2. Step 2: Convert to fraction form
    126,130.20/188,936.10 = 63,835.80/x
  3. Step 3: Cross multiply
    126,130.20x = 188,936.10 × 63,835.80
  4. Step 4: Simplify right side
    126,130.20x = 12,060,887,092.38
  5. Step 5: Solve for x
    x = 12,060,887,092.38/126,130.20
  6. Step 6: Final answer
    x = 95,622.52

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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.