Home / 212,986.27-293,868.62-130,179.29

Finding the Fourth Proportional to 212,986.27, 293,868.62 and 130,179.29

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Solution

The fourth proportional to 212,986.27, 293,868.62 and 130,179.29 is: 179,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,986.27 : 293,868.62 = 130,179.29 : x
  2. Step 2: Convert to fraction form
    212,986.27/293,868.62 = 130,179.29/x
  3. Step 3: Cross multiply
    212,986.27x = 293,868.62 × 130,179.29
  4. Step 4: Simplify right side
    212,986.27x = 38,255,608,304.88
  5. Step 5: Solve for x
    x = 38,255,608,304.88/212,986.27
  6. Step 6: Final answer
    x = 179,615.37

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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.