Home / 174,137.86-261,305.22-74,288.62

Finding the Fourth Proportional to 174,137.86, 261,305.22 and 74,288.62

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Solution

The fourth proportional to 174,137.86, 261,305.22 and 74,288.62 is: 111,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,137.86 : 261,305.22 = 74,288.62 : x
  2. Step 2: Convert to fraction form
    174,137.86/261,305.22 = 74,288.62/x
  3. Step 3: Cross multiply
    174,137.86x = 261,305.22 × 74,288.62
  4. Step 4: Simplify right side
    174,137.86x = 19,412,004,192.60
  5. Step 5: Solve for x
    x = 19,412,004,192.60/174,137.86
  6. Step 6: Final answer
    x = 111,474.92

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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.