Home / 189,029.56-260,860.66-104,146.63

Finding the Fourth Proportional to 189,029.56, 260,860.66 and 104,146.63

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Solution

The fourth proportional to 189,029.56, 260,860.66 and 104,146.63 is: 143,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,029.56 : 260,860.66 = 104,146.63 : x
  2. Step 2: Convert to fraction form
    189,029.56/260,860.66 = 104,146.63/x
  3. Step 3: Cross multiply
    189,029.56x = 260,860.66 × 104,146.63
  4. Step 4: Simplify right side
    189,029.56x = 27,167,756,813.54
  5. Step 5: Solve for x
    x = 27,167,756,813.54/189,029.56
  6. Step 6: Final answer
    x = 143,722.27

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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.