Home / 193,708.29-290,021.13-104,642.73

Finding the Fourth Proportional to 193,708.29, 290,021.13 and 104,642.73

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Solution

The fourth proportional to 193,708.29, 290,021.13 and 104,642.73 is: 156,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,708.29 : 290,021.13 = 104,642.73 : x
  2. Step 2: Convert to fraction form
    193,708.29/290,021.13 = 104,642.73/x
  3. Step 3: Cross multiply
    193,708.29x = 290,021.13 × 104,642.73
  4. Step 4: Simplify right side
    193,708.29x = 30,348,602,800.88
  5. Step 5: Solve for x
    x = 30,348,602,800.88/193,708.29
  6. Step 6: Final answer
    x = 156,671.68

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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.