Home / 258,828.04-388,183.73-100,975.24

Finding the Fourth Proportional to 258,828.04, 388,183.73 and 100,975.24

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Solution

The fourth proportional to 258,828.04, 388,183.73 and 100,975.24 is: 151,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,828.04 : 388,183.73 = 100,975.24 : x
  2. Step 2: Convert to fraction form
    258,828.04/388,183.73 = 100,975.24/x
  3. Step 3: Cross multiply
    258,828.04x = 388,183.73 × 100,975.24
  4. Step 4: Simplify right side
    258,828.04x = 39,196,943,359.93
  5. Step 5: Solve for x
    x = 39,196,943,359.93/258,828.04
  6. Step 6: Final answer
    x = 151,440.10

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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.