Home / 258,651.04-388,183.92-134,027.68

Finding the Fourth Proportional to 258,651.04, 388,183.92 and 134,027.68

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Solution

The fourth proportional to 258,651.04, 388,183.92 and 134,027.68 is: 201,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,651.04 : 388,183.92 = 134,027.68 : x
  2. Step 2: Convert to fraction form
    258,651.04/388,183.92 = 134,027.68/x
  3. Step 3: Cross multiply
    258,651.04x = 388,183.92 × 134,027.68
  4. Step 4: Simplify right side
    258,651.04x = 52,027,390,210.91
  5. Step 5: Solve for x
    x = 52,027,390,210.91/258,651.04
  6. Step 6: Final answer
    x = 201,148.97

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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.