Home / 108,865.46-163,361.26-45,680

Finding the Fourth Proportional to 108,865.46, 163,361.26 and 45,680

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Solution

The fourth proportional to 108,865.46, 163,361.26 and 45,680 is: 68,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,865.46 : 163,361.26 = 45,680 : x
  2. Step 2: Convert to fraction form
    108,865.46/163,361.26 = 45,680/x
  3. Step 3: Cross multiply
    108,865.46x = 163,361.26 × 45,680
  4. Step 4: Simplify right side
    108,865.46x = 7,462,342,356.80
  5. Step 5: Solve for x
    x = 7,462,342,356.80/108,865.46
  6. Step 6: Final answer
    x = 68,546.46

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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.