Home / 198,817.41-274,365.89-118,243.16

Finding the Fourth Proportional to 198,817.41, 274,365.89 and 118,243.16

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Solution

The fourth proportional to 198,817.41, 274,365.89 and 118,243.16 is: 163,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.41 : 274,365.89 = 118,243.16 : x
  2. Step 2: Convert to fraction form
    198,817.41/274,365.89 = 118,243.16/x
  3. Step 3: Cross multiply
    198,817.41x = 274,365.89 × 118,243.16
  4. Step 4: Simplify right side
    198,817.41x = 32,441,890,811.34
  5. Step 5: Solve for x
    x = 32,441,890,811.34/198,817.41
  6. Step 6: Final answer
    x = 163,174.30

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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.