Home / 144,212.40-198,731.94-103,849.89

Finding the Fourth Proportional to 144,212.40, 198,731.94 and 103,849.89

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Solution

The fourth proportional to 144,212.40, 198,731.94 and 103,849.89 is: 143,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,212.40 : 198,731.94 = 103,849.89 : x
  2. Step 2: Convert to fraction form
    144,212.40/198,731.94 = 103,849.89/x
  3. Step 3: Cross multiply
    144,212.40x = 198,731.94 × 103,849.89
  4. Step 4: Simplify right side
    144,212.40x = 20,638,290,108.49
  5. Step 5: Solve for x
    x = 20,638,290,108.49/144,212.40
  6. Step 6: Final answer
    x = 143,110.37

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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.