Home / 198,150.78-273,448.08-113,269.67

Finding the Fourth Proportional to 198,150.78, 273,448.08 and 113,269.67

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Solution

The fourth proportional to 198,150.78, 273,448.08 and 113,269.67 is: 156,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,150.78 : 273,448.08 = 113,269.67 : x
  2. Step 2: Convert to fraction form
    198,150.78/273,448.08 = 113,269.67/x
  3. Step 3: Cross multiply
    198,150.78x = 273,448.08 × 113,269.67
  4. Step 4: Simplify right side
    198,150.78x = 30,973,373,783.73
  5. Step 5: Solve for x
    x = 30,973,373,783.73/198,150.78
  6. Step 6: Final answer
    x = 156,312.15

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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.