Home / 199,079.40-274,786.02-131,145.96

Finding the Fourth Proportional to 199,079.40, 274,786.02 and 131,145.96

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Solution

The fourth proportional to 199,079.40, 274,786.02 and 131,145.96 is: 181,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,079.40 : 274,786.02 = 131,145.96 : x
  2. Step 2: Convert to fraction form
    199,079.40/274,786.02 = 131,145.96/x
  3. Step 3: Cross multiply
    199,079.40x = 274,786.02 × 131,145.96
  4. Step 4: Simplify right side
    199,079.40x = 36,037,076,387.48
  5. Step 5: Solve for x
    x = 36,037,076,387.48/199,079.40
  6. Step 6: Final answer
    x = 181,018.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.