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Finding the Fourth Proportional to 168,482.91, 232,450.44 and 111,150.72

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Solution

The fourth proportional to 168,482.91, 232,450.44 and 111,150.72 is: 153,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,482.91 : 232,450.44 = 111,150.72 : x
  2. Step 2: Convert to fraction form
    168,482.91/232,450.44 = 111,150.72/x
  3. Step 3: Cross multiply
    168,482.91x = 232,450.44 × 111,150.72
  4. Step 4: Simplify right side
    168,482.91x = 25,837,033,770.32
  5. Step 5: Solve for x
    x = 25,837,033,770.32/168,482.91
  6. Step 6: Final answer
    x = 153,351.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.