Home / 189,106.22-260,883.92-135,371.64

Finding the Fourth Proportional to 189,106.22, 260,883.92 and 135,371.64

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Solution

The fourth proportional to 189,106.22, 260,883.92 and 135,371.64 is: 186,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,106.22 : 260,883.92 = 135,371.64 : x
  2. Step 2: Convert to fraction form
    189,106.22/260,883.92 = 135,371.64/x
  3. Step 3: Cross multiply
    189,106.22x = 260,883.92 × 135,371.64
  4. Step 4: Simplify right side
    189,106.22x = 35,316,284,100.03
  5. Step 5: Solve for x
    x = 35,316,284,100.03/189,106.22
  6. Step 6: Final answer
    x = 186,753.69

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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.