Home / 212,390.51-293,107.21-116,906.09

Finding the Fourth Proportional to 212,390.51, 293,107.21 and 116,906.09

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Solution

The fourth proportional to 212,390.51, 293,107.21 and 116,906.09 is: 161,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,390.51 : 293,107.21 = 116,906.09 : x
  2. Step 2: Convert to fraction form
    212,390.51/293,107.21 = 116,906.09/x
  3. Step 3: Cross multiply
    212,390.51x = 293,107.21 × 116,906.09
  4. Step 4: Simplify right side
    212,390.51x = 34,266,016,114.11
  5. Step 5: Solve for x
    x = 34,266,016,114.11/212,390.51
  6. Step 6: Final answer
    x = 161,334.97

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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.