Home / 108,905.16-163,361.97-30,025.56

Finding the Fourth Proportional to 108,905.16, 163,361.97 and 30,025.56

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Solution

The fourth proportional to 108,905.16, 163,361.97 and 30,025.56 is: 45,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,905.16 : 163,361.97 = 30,025.56 : x
  2. Step 2: Convert to fraction form
    108,905.16/163,361.97 = 30,025.56/x
  3. Step 3: Cross multiply
    108,905.16x = 163,361.97 × 30,025.56
  4. Step 4: Simplify right side
    108,905.16x = 4,905,034,631.95
  5. Step 5: Solve for x
    x = 4,905,034,631.95/108,905.16
  6. Step 6: Final answer
    x = 45,039.51

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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.