Home / 144,032.10-198,764.43-80,369.94

Finding the Fourth Proportional to 144,032.10, 198,764.43 and 80,369.94

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Solution

The fourth proportional to 144,032.10, 198,764.43 and 80,369.94 is: 110,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,032.10 : 198,764.43 = 80,369.94 : x
  2. Step 2: Convert to fraction form
    144,032.10/198,764.43 = 80,369.94/x
  3. Step 3: Cross multiply
    144,032.10x = 198,764.43 × 80,369.94
  4. Step 4: Simplify right side
    144,032.10x = 15,974,685,313.23
  5. Step 5: Solve for x
    x = 15,974,685,313.23/144,032.10
  6. Step 6: Final answer
    x = 110,910.59

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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.