Home / 198,442.65-273,843-117,868.05

Finding the Fourth Proportional to 198,442.65, 273,843 and 117,868.05

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Solution

The fourth proportional to 198,442.65, 273,843 and 117,868.05 is: 162,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,442.65 : 273,843 = 117,868.05 : x
  2. Step 2: Convert to fraction form
    198,442.65/273,843 = 117,868.05/x
  3. Step 3: Cross multiply
    198,442.65x = 273,843 × 117,868.05
  4. Step 4: Simplify right side
    198,442.65x = 32,277,340,416.15
  5. Step 5: Solve for x
    x = 32,277,340,416.15/198,442.65
  6. Step 6: Final answer
    x = 162,653.24

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1.5x scale

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.