Home / 251,123.24-346,556.19-143,727.87

Finding the Fourth Proportional to 251,123.24, 346,556.19 and 143,727.87

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Solution

The fourth proportional to 251,123.24, 346,556.19 and 143,727.87 is: 198,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,123.24 : 346,556.19 = 143,727.87 : x
  2. Step 2: Convert to fraction form
    251,123.24/346,556.19 = 143,727.87/x
  3. Step 3: Cross multiply
    251,123.24x = 346,556.19 × 143,727.87
  4. Step 4: Simplify right side
    251,123.24x = 49,809,783,024.02
  5. Step 5: Solve for x
    x = 49,809,783,024.02/251,123.24
  6. Step 6: Final answer
    x = 198,347.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.