Home / 197,866.50-273,073.05-108,459.78

Finding the Fourth Proportional to 197,866.50, 273,073.05 and 108,459.78

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Solution

The fourth proportional to 197,866.50, 273,073.05 and 108,459.78 is: 149,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,866.50 : 273,073.05 = 108,459.78 : x
  2. Step 2: Convert to fraction form
    197,866.50/273,073.05 = 108,459.78/x
  3. Step 3: Cross multiply
    197,866.50x = 273,073.05 × 108,459.78
  4. Step 4: Simplify right side
    197,866.50x = 29,617,442,926.93
  5. Step 5: Solve for x
    x = 29,617,442,926.93/197,866.50
  6. Step 6: Final answer
    x = 149,683.97

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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.