Home / 222,982.05-307,715.42-121,007.51

Finding the Fourth Proportional to 222,982.05, 307,715.42 and 121,007.51

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Solution

The fourth proportional to 222,982.05, 307,715.42 and 121,007.51 is: 166,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,982.05 : 307,715.42 = 121,007.51 : x
  2. Step 2: Convert to fraction form
    222,982.05/307,715.42 = 121,007.51/x
  3. Step 3: Cross multiply
    222,982.05x = 307,715.42 × 121,007.51
  4. Step 4: Simplify right side
    222,982.05x = 37,235,874,619.19
  5. Step 5: Solve for x
    x = 37,235,874,619.19/222,982.05
  6. Step 6: Final answer
    x = 166,990.46

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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.