Home / 193,840.24-290,641.30-75,373.49

Finding the Fourth Proportional to 193,840.24, 290,641.30 and 75,373.49

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Solution

The fourth proportional to 193,840.24, 290,641.30 and 75,373.49 is: 113,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,840.24 : 290,641.30 = 75,373.49 : x
  2. Step 2: Convert to fraction form
    193,840.24/290,641.30 = 75,373.49/x
  3. Step 3: Cross multiply
    193,840.24x = 290,641.30 × 75,373.49
  4. Step 4: Simplify right side
    193,840.24x = 21,906,649,119.14
  5. Step 5: Solve for x
    x = 21,906,649,119.14/193,840.24
  6. Step 6: Final answer
    x = 113,013.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.