Home / 155,100.20-232,502.42-49,845.20

Finding the Fourth Proportional to 155,100.20, 232,502.42 and 49,845.20

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Solution

The fourth proportional to 155,100.20, 232,502.42 and 49,845.20 is: 74,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,100.20 : 232,502.42 = 49,845.20 : x
  2. Step 2: Convert to fraction form
    155,100.20/232,502.42 = 49,845.20/x
  3. Step 3: Cross multiply
    155,100.20x = 232,502.42 × 49,845.20
  4. Step 4: Simplify right side
    155,100.20x = 11,589,128,213.65
  5. Step 5: Solve for x
    x = 11,589,128,213.65/155,100.20
  6. Step 6: Final answer
    x = 74,720.27

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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.