Home / 181,930.24-273,068.70-131,379.76

Finding the Fourth Proportional to 181,930.24, 273,068.70 and 131,379.76

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Solution

The fourth proportional to 181,930.24, 273,068.70 and 131,379.76 is: 197,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,930.24 : 273,068.70 = 131,379.76 : x
  2. Step 2: Convert to fraction form
    181,930.24/273,068.70 = 131,379.76/x
  3. Step 3: Cross multiply
    181,930.24x = 273,068.70 × 131,379.76
  4. Step 4: Simplify right side
    181,930.24x = 35,875,700,269.51
  5. Step 5: Solve for x
    x = 35,875,700,269.51/181,930.24
  6. Step 6: Final answer
    x = 197,194.82

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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.