Home / 212,982.51-293,936.45-159,174.11

Finding the Fourth Proportional to 212,982.51, 293,936.45 and 159,174.11

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Solution

The fourth proportional to 212,982.51, 293,936.45 and 159,174.11 is: 219,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,982.51 : 293,936.45 = 159,174.11 : x
  2. Step 2: Convert to fraction form
    212,982.51/293,936.45 = 159,174.11/x
  3. Step 3: Cross multiply
    212,982.51x = 293,936.45 × 159,174.11
  4. Step 4: Simplify right side
    212,982.51x = 46,787,072,764.28
  5. Step 5: Solve for x
    x = 46,787,072,764.28/212,982.51
  6. Step 6: Final answer
    x = 219,675.65

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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.