Home / 276,140.21-414,215.44-86,596.36

Finding the Fourth Proportional to 276,140.21, 414,215.44 and 86,596.36

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Solution

The fourth proportional to 276,140.21, 414,215.44 and 86,596.36 is: 129,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,140.21 : 414,215.44 = 86,596.36 : x
  2. Step 2: Convert to fraction form
    276,140.21/414,215.44 = 86,596.36/x
  3. Step 3: Cross multiply
    276,140.21x = 414,215.44 × 86,596.36
  4. Step 4: Simplify right side
    276,140.21x = 35,869,548,107.77
  5. Step 5: Solve for x
    x = 35,869,548,107.77/276,140.21
  6. Step 6: Final answer
    x = 129,896.14

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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.