Home / 159,739.64-239,447.24-103,615.44

Finding the Fourth Proportional to 159,739.64, 239,447.24 and 103,615.44

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Solution

The fourth proportional to 159,739.64, 239,447.24 and 103,615.44 is: 155,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,739.64 : 239,447.24 = 103,615.44 : x
  2. Step 2: Convert to fraction form
    159,739.64/239,447.24 = 103,615.44/x
  3. Step 3: Cross multiply
    159,739.64x = 239,447.24 × 103,615.44
  4. Step 4: Simplify right side
    159,739.64x = 24,810,431,129.39
  5. Step 5: Solve for x
    x = 24,810,431,129.39/159,739.64
  6. Step 6: Final answer
    x = 155,317.94

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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.