Home / 107,678.44-161,506.32-28,800.64

Finding the Fourth Proportional to 107,678.44, 161,506.32 and 28,800.64

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Solution

The fourth proportional to 107,678.44, 161,506.32 and 28,800.64 is: 43,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,678.44 : 161,506.32 = 28,800.64 : x
  2. Step 2: Convert to fraction form
    107,678.44/161,506.32 = 28,800.64/x
  3. Step 3: Cross multiply
    107,678.44x = 161,506.32 × 28,800.64
  4. Step 4: Simplify right side
    107,678.44x = 4,651,485,380.04
  5. Step 5: Solve for x
    x = 4,651,485,380.04/107,678.44
  6. Step 6: Final answer
    x = 43,197.93

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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.