Home / 172,737.10-258,520.42-106,219.36

Finding the Fourth Proportional to 172,737.10, 258,520.42 and 106,219.36

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Solution

The fourth proportional to 172,737.10, 258,520.42 and 106,219.36 is: 158,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,737.10 : 258,520.42 = 106,219.36 : x
  2. Step 2: Convert to fraction form
    172,737.10/258,520.42 = 106,219.36/x
  3. Step 3: Cross multiply
    172,737.10x = 258,520.42 × 106,219.36
  4. Step 4: Simplify right side
    172,737.10x = 27,459,873,559.33
  5. Step 5: Solve for x
    x = 27,459,873,559.33/172,737.10
  6. Step 6: Final answer
    x = 158,969.17

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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.