Home / 203,296.24-305,141.40-98,189.20

Finding the Fourth Proportional to 203,296.24, 305,141.40 and 98,189.20

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Solution

The fourth proportional to 203,296.24, 305,141.40 and 98,189.20 is: 147,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,296.24 : 305,141.40 = 98,189.20 : x
  2. Step 2: Convert to fraction form
    203,296.24/305,141.40 = 98,189.20/x
  3. Step 3: Cross multiply
    203,296.24x = 305,141.40 × 98,189.20
  4. Step 4: Simplify right side
    203,296.24x = 29,961,589,952.88
  5. Step 5: Solve for x
    x = 29,961,589,952.88/203,296.24
  6. Step 6: Final answer
    x = 147,378.97

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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.