Home / 121,230.10-167,342.43-104,166.10

Finding the Fourth Proportional to 121,230.10, 167,342.43 and 104,166.10

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Solution

The fourth proportional to 121,230.10, 167,342.43 and 104,166.10 is: 143,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,230.10 : 167,342.43 = 104,166.10 : x
  2. Step 2: Convert to fraction form
    121,230.10/167,342.43 = 104,166.10/x
  3. Step 3: Cross multiply
    121,230.10x = 167,342.43 × 104,166.10
  4. Step 4: Simplify right side
    121,230.10x = 17,431,408,297.62
  5. Step 5: Solve for x
    x = 17,431,408,297.62/121,230.10
  6. Step 6: Final answer
    x = 143,787.79

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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.