Home / 189,181.32-283,629.82-89,284.62

Finding the Fourth Proportional to 189,181.32, 283,629.82 and 89,284.62

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Solution

The fourth proportional to 189,181.32, 283,629.82 and 89,284.62 is: 133,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,181.32 : 283,629.82 = 89,284.62 : x
  2. Step 2: Convert to fraction form
    189,181.32/283,629.82 = 89,284.62/x
  3. Step 3: Cross multiply
    189,181.32x = 283,629.82 × 89,284.62
  4. Step 4: Simplify right side
    189,181.32x = 25,323,780,699.37
  5. Step 5: Solve for x
    x = 25,323,780,699.37/189,181.32
  6. Step 6: Final answer
    x = 133,859.84

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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.