Home / 144,035.21-198,804.18-87,493.97

Finding the Fourth Proportional to 144,035.21, 198,804.18 and 87,493.97

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Solution

The fourth proportional to 144,035.21, 198,804.18 and 87,493.97 is: 120,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,035.21 : 198,804.18 = 87,493.97 : x
  2. Step 2: Convert to fraction form
    144,035.21/198,804.18 = 87,493.97/x
  3. Step 3: Cross multiply
    144,035.21x = 198,804.18 × 87,493.97
  4. Step 4: Simplify right side
    144,035.21x = 17,394,166,960.79
  5. Step 5: Solve for x
    x = 17,394,166,960.79/144,035.21
  6. Step 6: Final answer
    x = 120,763.30

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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.