Home / 106,938.48-160,241.28-40,342.20

Finding the Fourth Proportional to 106,938.48, 160,241.28 and 40,342.20

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Solution

The fourth proportional to 106,938.48, 160,241.28 and 40,342.20 is: 60,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.48 : 160,241.28 = 40,342.20 : x
  2. Step 2: Convert to fraction form
    106,938.48/160,241.28 = 40,342.20/x
  3. Step 3: Cross multiply
    106,938.48x = 160,241.28 × 40,342.20
  4. Step 4: Simplify right side
    106,938.48x = 6,464,485,766.02
  5. Step 5: Solve for x
    x = 6,464,485,766.02/106,938.48
  6. Step 6: Final answer
    x = 60,450.51

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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.