Home / 168,102.56-252,153.12-49,774.40

Finding the Fourth Proportional to 168,102.56, 252,153.12 and 49,774.40

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Solution

The fourth proportional to 168,102.56, 252,153.12 and 49,774.40 is: 74,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,102.56 : 252,153.12 = 49,774.40 : x
  2. Step 2: Convert to fraction form
    168,102.56/252,153.12 = 49,774.40/x
  3. Step 3: Cross multiply
    168,102.56x = 252,153.12 × 49,774.40
  4. Step 4: Simplify right side
    168,102.56x = 12,550,770,256.13
  5. Step 5: Solve for x
    x = 12,550,770,256.13/168,102.56
  6. Step 6: Final answer
    x = 74,661.39

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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.