Home / 105,460.92-158,249.70-43,175.16

Finding the Fourth Proportional to 105,460.92, 158,249.70 and 43,175.16

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Solution

The fourth proportional to 105,460.92, 158,249.70 and 43,175.16 is: 64,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,460.92 : 158,249.70 = 43,175.16 : x
  2. Step 2: Convert to fraction form
    105,460.92/158,249.70 = 43,175.16/x
  3. Step 3: Cross multiply
    105,460.92x = 158,249.70 × 43,175.16
  4. Step 4: Simplify right side
    105,460.92x = 6,832,456,117.45
  5. Step 5: Solve for x
    x = 6,832,456,117.45/105,460.92
  6. Step 6: Final answer
    x = 64,786.62

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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.