Home / 189,067.51-260,901.43-108,501.67

Finding the Fourth Proportional to 189,067.51, 260,901.43 and 108,501.67

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Solution

The fourth proportional to 189,067.51, 260,901.43 and 108,501.67 is: 149,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,067.51 : 260,901.43 = 108,501.67 : x
  2. Step 2: Convert to fraction form
    189,067.51/260,901.43 = 108,501.67/x
  3. Step 3: Cross multiply
    189,067.51x = 260,901.43 × 108,501.67
  4. Step 4: Simplify right side
    189,067.51x = 28,308,240,860.39
  5. Step 5: Solve for x
    x = 28,308,240,860.39/189,067.51
  6. Step 6: Final answer
    x = 149,725.57

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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.