Home / 143,736.08-198,379.42-80,094.38

Finding the Fourth Proportional to 143,736.08, 198,379.42 and 80,094.38

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Solution

The fourth proportional to 143,736.08, 198,379.42 and 80,094.38 is: 110,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736.08 : 198,379.42 = 80,094.38 : x
  2. Step 2: Convert to fraction form
    143,736.08/198,379.42 = 80,094.38/x
  3. Step 3: Cross multiply
    143,736.08x = 198,379.42 × 80,094.38
  4. Step 4: Simplify right side
    143,736.08x = 15,889,076,649.66
  5. Step 5: Solve for x
    x = 15,889,076,649.66/143,736.08
  6. Step 6: Final answer
    x = 110,543.41

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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.