Home / 198,848.04-274,422.11-113,970.57

Finding the Fourth Proportional to 198,848.04, 274,422.11 and 113,970.57

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Solution

The fourth proportional to 198,848.04, 274,422.11 and 113,970.57 is: 157,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.04 : 274,422.11 = 113,970.57 : x
  2. Step 2: Convert to fraction form
    198,848.04/274,422.11 = 113,970.57/x
  3. Step 3: Cross multiply
    198,848.04x = 274,422.11 × 113,970.57
  4. Step 4: Simplify right side
    198,848.04x = 31,276,043,727.45
  5. Step 5: Solve for x
    x = 31,276,043,727.45/198,848.04
  6. Step 6: Final answer
    x = 157,286.16

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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.