Home / 203,127.40-304,719.46-84,771.62

Finding the Fourth Proportional to 203,127.40, 304,719.46 and 84,771.62

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Solution

The fourth proportional to 203,127.40, 304,719.46 and 84,771.62 is: 127,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,127.40 : 304,719.46 = 84,771.62 : x
  2. Step 2: Convert to fraction form
    203,127.40/304,719.46 = 84,771.62/x
  3. Step 3: Cross multiply
    203,127.40x = 304,719.46 × 84,771.62
  4. Step 4: Simplify right side
    203,127.40x = 25,831,562,269.73
  5. Step 5: Solve for x
    x = 25,831,562,269.73/203,127.40
  6. Step 6: Final answer
    x = 127,169.27

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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.