Home / 255,828.65-383,579.01-106,172.24

Finding the Fourth Proportional to 255,828.65, 383,579.01 and 106,172.24

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Solution

The fourth proportional to 255,828.65, 383,579.01 and 106,172.24 is: 159,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,828.65 : 383,579.01 = 106,172.24 : x
  2. Step 2: Convert to fraction form
    255,828.65/383,579.01 = 106,172.24/x
  3. Step 3: Cross multiply
    255,828.65x = 383,579.01 × 106,172.24
  4. Step 4: Simplify right side
    255,828.65x = 40,725,440,790.79
  5. Step 5: Solve for x
    x = 40,725,440,790.79/255,828.65
  6. Step 6: Final answer
    x = 159,190.31

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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.