Home / 181,745.13-250,821.87-105,284.79

Finding the Fourth Proportional to 181,745.13, 250,821.87 and 105,284.79

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Solution

The fourth proportional to 181,745.13, 250,821.87 and 105,284.79 is: 145,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,745.13 : 250,821.87 = 105,284.79 : x
  2. Step 2: Convert to fraction form
    181,745.13/250,821.87 = 105,284.79/x
  3. Step 3: Cross multiply
    181,745.13x = 250,821.87 × 105,284.79
  4. Step 4: Simplify right side
    181,745.13x = 26,407,727,910.36
  5. Step 5: Solve for x
    x = 26,407,727,910.36/181,745.13
  6. Step 6: Final answer
    x = 145,300.88

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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.