Home / 198,844.05-274,314.12-118,225.76

Finding the Fourth Proportional to 198,844.05, 274,314.12 and 118,225.76

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Solution

The fourth proportional to 198,844.05, 274,314.12 and 118,225.76 is: 163,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,844.05 : 274,314.12 = 118,225.76 : x
  2. Step 2: Convert to fraction form
    198,844.05/274,314.12 = 118,225.76/x
  3. Step 3: Cross multiply
    198,844.05x = 274,314.12 × 118,225.76
  4. Step 4: Simplify right side
    198,844.05x = 32,430,993,944.16
  5. Step 5: Solve for x
    x = 32,430,993,944.16/198,844.05
  6. Step 6: Final answer
    x = 163,097.63

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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.