Home / 154,822.40-232,233.60-131,202.80

Finding the Fourth Proportional to 154,822.40, 232,233.60 and 131,202.80

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Solution

The fourth proportional to 154,822.40, 232,233.60 and 131,202.80 is: 196,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,822.40 : 232,233.60 = 131,202.80 : x
  2. Step 2: Convert to fraction form
    154,822.40/232,233.60 = 131,202.80/x
  3. Step 3: Cross multiply
    154,822.40x = 232,233.60 × 131,202.80
  4. Step 4: Simplify right side
    154,822.40x = 30,469,698,574.08
  5. Step 5: Solve for x
    x = 30,469,698,574.08/154,822.40
  6. Step 6: Final answer
    x = 196,804.20

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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.