Home / 198,435.62-273,810.78-117,861.08

Finding the Fourth Proportional to 198,435.62, 273,810.78 and 117,861.08

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Solution

The fourth proportional to 198,435.62, 273,810.78 and 117,861.08 is: 162,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,435.62 : 273,810.78 = 117,861.08 : x
  2. Step 2: Convert to fraction form
    198,435.62/273,810.78 = 117,861.08/x
  3. Step 3: Cross multiply
    198,435.62x = 273,810.78 × 117,861.08
  4. Step 4: Simplify right side
    198,435.62x = 32,271,632,877.39
  5. Step 5: Solve for x
    x = 32,271,632,877.39/198,435.62
  6. Step 6: Final answer
    x = 162,630.24

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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.