Home / 143,750.70-198,241.41-113,608.03

Finding the Fourth Proportional to 143,750.70, 198,241.41 and 113,608.03

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Solution

The fourth proportional to 143,750.70, 198,241.41 and 113,608.03 is: 156,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,750.70 : 198,241.41 = 113,608.03 : x
  2. Step 2: Convert to fraction form
    143,750.70/198,241.41 = 113,608.03/x
  3. Step 3: Cross multiply
    143,750.70x = 198,241.41 × 113,608.03
  4. Step 4: Simplify right side
    143,750.70x = 22,521,814,495.28
  5. Step 5: Solve for x
    x = 22,521,814,495.28/143,750.70
  6. Step 6: Final answer
    x = 156,672.73

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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.