Home / 198,148.56-296,993.88-91,309.14

Finding the Fourth Proportional to 198,148.56, 296,993.88 and 91,309.14

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Solution

The fourth proportional to 198,148.56, 296,993.88 and 91,309.14 is: 136,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,148.56 : 296,993.88 = 91,309.14 : x
  2. Step 2: Convert to fraction form
    198,148.56/296,993.88 = 91,309.14/x
  3. Step 3: Cross multiply
    198,148.56x = 296,993.88 × 91,309.14
  4. Step 4: Simplify right side
    198,148.56x = 27,118,255,768.06
  5. Step 5: Solve for x
    x = 27,118,255,768.06/198,148.56
  6. Step 6: Final answer
    x = 136,858.20

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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.