Home / 193,770.70-267,371.23-107,727.28

Finding the Fourth Proportional to 193,770.70, 267,371.23 and 107,727.28

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Solution

The fourth proportional to 193,770.70, 267,371.23 and 107,727.28 is: 148,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,770.70 : 267,371.23 = 107,727.28 : x
  2. Step 2: Convert to fraction form
    193,770.70/267,371.23 = 107,727.28/x
  3. Step 3: Cross multiply
    193,770.70x = 267,371.23 × 107,727.28
  4. Step 4: Simplify right side
    193,770.70x = 28,803,175,358.15
  5. Step 5: Solve for x
    x = 28,803,175,358.15/193,770.70
  6. Step 6: Final answer
    x = 148,645.67

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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.