Home / 107,963.28-161,913.60-41,398.56

Finding the Fourth Proportional to 107,963.28, 161,913.60 and 41,398.56

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Solution

The fourth proportional to 107,963.28, 161,913.60 and 41,398.56 is: 62,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,963.28 : 161,913.60 = 41,398.56 : x
  2. Step 2: Convert to fraction form
    107,963.28/161,913.60 = 41,398.56/x
  3. Step 3: Cross multiply
    107,963.28x = 161,913.60 × 41,398.56
  4. Step 4: Simplify right side
    107,963.28x = 6,702,989,884.42
  5. Step 5: Solve for x
    x = 6,702,989,884.42/107,963.28
  6. Step 6: Final answer
    x = 62,085.83

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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.