Home / 189,431.92-261,415.51-104,548.38

Finding the Fourth Proportional to 189,431.92, 261,415.51 and 104,548.38

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Solution

The fourth proportional to 189,431.92, 261,415.51 and 104,548.38 is: 144,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,431.92 : 261,415.51 = 104,548.38 : x
  2. Step 2: Convert to fraction form
    189,431.92/261,415.51 = 104,548.38/x
  3. Step 3: Cross multiply
    189,431.92x = 261,415.51 × 104,548.38
  4. Step 4: Simplify right side
    189,431.92x = 27,330,568,077.37
  5. Step 5: Solve for x
    x = 27,330,568,077.37/189,431.92
  6. Step 6: Final answer
    x = 144,276.47

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1.5x scale

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.