Home / 209,996.13-314,794.68-133,881.03

Finding the Fourth Proportional to 209,996.13, 314,794.68 and 133,881.03

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Solution

The fourth proportional to 209,996.13, 314,794.68 and 133,881.03 is: 200,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,996.13 : 314,794.68 = 133,881.03 : x
  2. Step 2: Convert to fraction form
    209,996.13/314,794.68 = 133,881.03/x
  3. Step 3: Cross multiply
    209,996.13x = 314,794.68 × 133,881.03
  4. Step 4: Simplify right side
    209,996.13x = 42,145,035,996.92
  5. Step 5: Solve for x
    x = 42,145,035,996.92/209,996.13
  6. Step 6: Final answer
    x = 200,694.35

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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.