Home / 107,439.44-161,141.28-32,541.78

Finding the Fourth Proportional to 107,439.44, 161,141.28 and 32,541.78

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Solution

The fourth proportional to 107,439.44, 161,141.28 and 32,541.78 is: 48,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,439.44 : 161,141.28 = 32,541.78 : x
  2. Step 2: Convert to fraction form
    107,439.44/161,141.28 = 32,541.78/x
  3. Step 3: Cross multiply
    107,439.44x = 161,141.28 × 32,541.78
  4. Step 4: Simplify right side
    107,439.44x = 5,243,823,358.33
  5. Step 5: Solve for x
    x = 5,243,823,358.33/107,439.44
  6. Step 6: Final answer
    x = 48,807.25

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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.