Home / 189,446.70-261,438.63-104,563.83

Finding the Fourth Proportional to 189,446.70, 261,438.63 and 104,563.83

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Solution

The fourth proportional to 189,446.70, 261,438.63 and 104,563.83 is: 144,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,446.70 : 261,438.63 = 104,563.83 : x
  2. Step 2: Convert to fraction form
    189,446.70/261,438.63 = 104,563.83/x
  3. Step 3: Cross multiply
    189,446.70x = 261,438.63 × 104,563.83
  4. Step 4: Simplify right side
    189,446.70x = 27,337,024,462.75
  5. Step 5: Solve for x
    x = 27,337,024,462.75/189,446.70
  6. Step 6: Final answer
    x = 144,299.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.