Home / 641,448.39-962,098.61-168,171.33

Finding the Fourth Proportional to 641,448.39, 962,098.61 and 168,171.33

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Solution

The fourth proportional to 641,448.39, 962,098.61 and 168,171.33 is: 252,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,448.39 : 962,098.61 = 168,171.33 : x
  2. Step 2: Convert to fraction form
    641,448.39/962,098.61 = 168,171.33/x
  3. Step 3: Cross multiply
    641,448.39x = 962,098.61 × 168,171.33
  4. Step 4: Simplify right side
    641,448.39x = 161,797,401,994.00
  5. Step 5: Solve for x
    x = 161,797,401,994.00/641,448.39
  6. Step 6: Final answer
    x = 252,237.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.