Home / 108,446.23-149,634.53-68,136.64

Finding the Fourth Proportional to 108,446.23, 149,634.53 and 68,136.64

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Solution

The fourth proportional to 108,446.23, 149,634.53 and 68,136.64 is: 94,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,446.23 : 149,634.53 = 68,136.64 : x
  2. Step 2: Convert to fraction form
    108,446.23/149,634.53 = 68,136.64/x
  3. Step 3: Cross multiply
    108,446.23x = 149,634.53 × 68,136.64
  4. Step 4: Simplify right side
    108,446.23x = 10,195,594,459.56
  5. Step 5: Solve for x
    x = 10,195,594,459.56/108,446.23
  6. Step 6: Final answer
    x = 94,015.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.