Home / 189,558.81-261,591.38-104,675.87

Finding the Fourth Proportional to 189,558.81, 261,591.38 and 104,675.87

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Solution

The fourth proportional to 189,558.81, 261,591.38 and 104,675.87 is: 144,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558.81 : 261,591.38 = 104,675.87 : x
  2. Step 2: Convert to fraction form
    189,558.81/261,591.38 = 104,675.87/x
  3. Step 3: Cross multiply
    189,558.81x = 261,591.38 × 104,675.87
  4. Step 4: Simplify right side
    189,558.81x = 27,382,303,454.66
  5. Step 5: Solve for x
    x = 27,382,303,454.66/189,558.81
  6. Step 6: Final answer
    x = 144,452.81

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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.