Home / 203,955.24-305,901.21-104,189.16

Finding the Fourth Proportional to 203,955.24, 305,901.21 and 104,189.16

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Solution

The fourth proportional to 203,955.24, 305,901.21 and 104,189.16 is: 156,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,955.24 : 305,901.21 = 104,189.16 : x
  2. Step 2: Convert to fraction form
    203,955.24/305,901.21 = 104,189.16/x
  3. Step 3: Cross multiply
    203,955.24x = 305,901.21 × 104,189.16
  4. Step 4: Simplify right side
    203,955.24x = 31,871,590,112.88
  5. Step 5: Solve for x
    x = 31,871,590,112.88/203,955.24
  6. Step 6: Final answer
    x = 156,267.57

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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.