Home / 103,178.32-154,789.78-32,099.60

Finding the Fourth Proportional to 103,178.32, 154,789.78 and 32,099.60

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Solution

The fourth proportional to 103,178.32, 154,789.78 and 32,099.60 is: 48,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,178.32 : 154,789.78 = 32,099.60 : x
  2. Step 2: Convert to fraction form
    103,178.32/154,789.78 = 32,099.60/x
  3. Step 3: Cross multiply
    103,178.32x = 154,789.78 × 32,099.60
  4. Step 4: Simplify right side
    103,178.32x = 4,968,690,022.09
  5. Step 5: Solve for x
    x = 4,968,690,022.09/103,178.32
  6. Step 6: Final answer
    x = 48,156.34

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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.