Home / 198,781.51-274,316.23-148,021.27

Finding the Fourth Proportional to 198,781.51, 274,316.23 and 148,021.27

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Solution

The fourth proportional to 198,781.51, 274,316.23 and 148,021.27 is: 204,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,781.51 : 274,316.23 = 148,021.27 : x
  2. Step 2: Convert to fraction form
    198,781.51/274,316.23 = 148,021.27/x
  3. Step 3: Cross multiply
    198,781.51x = 274,316.23 × 148,021.27
  4. Step 4: Simplify right side
    198,781.51x = 40,604,636,746.21
  5. Step 5: Solve for x
    x = 40,604,636,746.21/198,781.51
  6. Step 6: Final answer
    x = 204,267.67

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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.