Home / 198,980.44-274,579.15-112,941.18

Finding the Fourth Proportional to 198,980.44, 274,579.15 and 112,941.18

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Solution

The fourth proportional to 198,980.44, 274,579.15 and 112,941.18 is: 155,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,980.44 : 274,579.15 = 112,941.18 : x
  2. Step 2: Convert to fraction form
    198,980.44/274,579.15 = 112,941.18/x
  3. Step 3: Cross multiply
    198,980.44x = 274,579.15 × 112,941.18
  4. Step 4: Simplify right side
    198,980.44x = 31,011,293,204.40
  5. Step 5: Solve for x
    x = 31,011,293,204.40/198,980.44
  6. Step 6: Final answer
    x = 155,850.96

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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.