Home / 198,829.68-274,386.09-108,186.27

Finding the Fourth Proportional to 198,829.68, 274,386.09 and 108,186.27

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Solution

The fourth proportional to 198,829.68, 274,386.09 and 108,186.27 is: 149,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,829.68 : 274,386.09 = 108,186.27 : x
  2. Step 2: Convert to fraction form
    198,829.68/274,386.09 = 108,186.27/x
  3. Step 3: Cross multiply
    198,829.68x = 274,386.09 × 108,186.27
  4. Step 4: Simplify right side
    198,829.68x = 29,684,807,616.98
  5. Step 5: Solve for x
    x = 29,684,807,616.98/198,829.68
  6. Step 6: Final answer
    x = 149,297.67

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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.