Home / 189,558.48-261,589.06-104,673.72

Finding the Fourth Proportional to 189,558.48, 261,589.06 and 104,673.72

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Solution

The fourth proportional to 189,558.48, 261,589.06 and 104,673.72 is: 144,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558.48 : 261,589.06 = 104,673.72 : x
  2. Step 2: Convert to fraction form
    189,558.48/261,589.06 = 104,673.72/x
  3. Step 3: Cross multiply
    189,558.48x = 261,589.06 × 104,673.72
  4. Step 4: Simplify right side
    189,558.48x = 27,381,500,021.50
  5. Step 5: Solve for x
    x = 27,381,500,021.50/189,558.48
  6. Step 6: Final answer
    x = 144,448.83

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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.