Home / 193,066.08-266,438.40-108,180

Finding the Fourth Proportional to 193,066.08, 266,438.40 and 108,180

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Solution

The fourth proportional to 193,066.08, 266,438.40 and 108,180 is: 149,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,066.08 : 266,438.40 = 108,180 : x
  2. Step 2: Convert to fraction form
    193,066.08/266,438.40 = 108,180/x
  3. Step 3: Cross multiply
    193,066.08x = 266,438.40 × 108,180
  4. Step 4: Simplify right side
    193,066.08x = 28,823,306,112.00
  5. Step 5: Solve for x
    x = 28,823,306,112.00/193,066.08
  6. Step 6: Final answer
    x = 149,292.44

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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.