Home / 198,817.03-274,365.38-118,242.79

Finding the Fourth Proportional to 198,817.03, 274,365.38 and 118,242.79

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Solution

The fourth proportional to 198,817.03, 274,365.38 and 118,242.79 is: 163,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.03 : 274,365.38 = 118,242.79 : x
  2. Step 2: Convert to fraction form
    198,817.03/274,365.38 = 118,242.79/x
  3. Step 3: Cross multiply
    198,817.03x = 274,365.38 × 118,242.79
  4. Step 4: Simplify right side
    198,817.03x = 32,441,726,955.19
  5. Step 5: Solve for x
    x = 32,441,726,955.19/198,817.03
  6. Step 6: Final answer
    x = 163,173.78

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1.5x scale

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.