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Finding the Fourth Proportional to 104,786.39, 157,055.81 and 44,797.32

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Solution

The fourth proportional to 104,786.39, 157,055.81 and 44,797.32 is: 67,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,786.39 : 157,055.81 = 44,797.32 : x
  2. Step 2: Convert to fraction form
    104,786.39/157,055.81 = 44,797.32/x
  3. Step 3: Cross multiply
    104,786.39x = 157,055.81 × 44,797.32
  4. Step 4: Simplify right side
    104,786.39x = 7,035,679,490.42
  5. Step 5: Solve for x
    x = 7,035,679,490.42/104,786.39
  6. Step 6: Final answer
    x = 67,143.06

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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.