Home / 168,186.08-232,215.36-107,912

Finding the Fourth Proportional to 168,186.08, 232,215.36 and 107,912

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Solution

The fourth proportional to 168,186.08, 232,215.36 and 107,912 is: 148,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,186.08 : 232,215.36 = 107,912 : x
  2. Step 2: Convert to fraction form
    168,186.08/232,215.36 = 107,912/x
  3. Step 3: Cross multiply
    168,186.08x = 232,215.36 × 107,912
  4. Step 4: Simplify right side
    168,186.08x = 25,058,823,928.32
  5. Step 5: Solve for x
    x = 25,058,823,928.32/168,186.08
  6. Step 6: Final answer
    x = 148,994.64

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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.