Home / 108,902.16-163,361.44-30,015.70

Finding the Fourth Proportional to 108,902.16, 163,361.44 and 30,015.70

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Solution

The fourth proportional to 108,902.16, 163,361.44 and 30,015.70 is: 45,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,902.16 : 163,361.44 = 30,015.70 : x
  2. Step 2: Convert to fraction form
    108,902.16/163,361.44 = 30,015.70/x
  3. Step 3: Cross multiply
    108,902.16x = 163,361.44 × 30,015.70
  4. Step 4: Simplify right side
    108,902.16x = 4,903,407,974.61
  5. Step 5: Solve for x
    x = 4,903,407,974.61/108,902.16
  6. Step 6: Final answer
    x = 45,025.81

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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.