Home / 121,310.67-181,842.73-50,271.96

Finding the Fourth Proportional to 121,310.67, 181,842.73 and 50,271.96

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Solution

The fourth proportional to 121,310.67, 181,842.73 and 50,271.96 is: 75,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,310.67 : 181,842.73 = 50,271.96 : x
  2. Step 2: Convert to fraction form
    121,310.67/181,842.73 = 50,271.96/x
  3. Step 3: Cross multiply
    121,310.67x = 181,842.73 × 50,271.96
  4. Step 4: Simplify right side
    121,310.67x = 9,141,589,288.28
  5. Step 5: Solve for x
    x = 9,141,589,288.28/121,310.67
  6. Step 6: Final answer
    x = 75,356.84

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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.