Home / 198,820.49-274,281.86-118,202.27

Finding the Fourth Proportional to 198,820.49, 274,281.86 and 118,202.27

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Solution

The fourth proportional to 198,820.49, 274,281.86 and 118,202.27 is: 163,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,820.49 : 274,281.86 = 118,202.27 : x
  2. Step 2: Convert to fraction form
    198,820.49/274,281.86 = 118,202.27/x
  3. Step 3: Cross multiply
    198,820.49x = 274,281.86 × 118,202.27
  4. Step 4: Simplify right side
    198,820.49x = 32,420,737,395.92
  5. Step 5: Solve for x
    x = 32,420,737,395.92/198,820.49
  6. Step 6: Final answer
    x = 163,065.38

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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.