Home / 108,973.85-163,361.75-97,164.05

Finding the Fourth Proportional to 108,973.85, 163,361.75 and 97,164.05

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Solution

The fourth proportional to 108,973.85, 163,361.75 and 97,164.05 is: 145,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,973.85 : 163,361.75 = 97,164.05 : x
  2. Step 2: Convert to fraction form
    108,973.85/163,361.75 = 97,164.05/x
  3. Step 3: Cross multiply
    108,973.85x = 163,361.75 × 97,164.05
  4. Step 4: Simplify right side
    108,973.85x = 15,872,887,942.46
  5. Step 5: Solve for x
    x = 15,872,887,942.46/108,973.85
  6. Step 6: Final answer
    x = 145,657.78

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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.