Home / 189,240.74-283,608.92-89,427.43

Finding the Fourth Proportional to 189,240.74, 283,608.92 and 89,427.43

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Solution

The fourth proportional to 189,240.74, 283,608.92 and 89,427.43 is: 134,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,240.74 : 283,608.92 = 89,427.43 : x
  2. Step 2: Convert to fraction form
    189,240.74/283,608.92 = 89,427.43/x
  3. Step 3: Cross multiply
    189,240.74x = 283,608.92 × 89,427.43
  4. Step 4: Simplify right side
    189,240.74x = 25,362,416,840.68
  5. Step 5: Solve for x
    x = 25,362,416,840.68/189,240.74
  6. Step 6: Final answer
    x = 134,021.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.