Home / 130,912.26-196,364.47-36,148.25

Finding the Fourth Proportional to 130,912.26, 196,364.47 and 36,148.25

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Solution

The fourth proportional to 130,912.26, 196,364.47 and 36,148.25 is: 54,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,912.26 : 196,364.47 = 36,148.25 : x
  2. Step 2: Convert to fraction form
    130,912.26/196,364.47 = 36,148.25/x
  3. Step 3: Cross multiply
    130,912.26x = 196,364.47 × 36,148.25
  4. Step 4: Simplify right side
    130,912.26x = 7,098,231,952.68
  5. Step 5: Solve for x
    x = 7,098,231,952.68/130,912.26
  6. Step 6: Final answer
    x = 54,221.29

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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.