Home / 100,439.48-150,554.07-33,856.58

Finding the Fourth Proportional to 100,439.48, 150,554.07 and 33,856.58

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Solution

The fourth proportional to 100,439.48, 150,554.07 and 33,856.58 is: 50,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,439.48 : 150,554.07 = 33,856.58 : x
  2. Step 2: Convert to fraction form
    100,439.48/150,554.07 = 33,856.58/x
  3. Step 3: Cross multiply
    100,439.48x = 150,554.07 × 33,856.58
  4. Step 4: Simplify right side
    100,439.48x = 5,097,245,162.51
  5. Step 5: Solve for x
    x = 5,097,245,162.51/100,439.48
  6. Step 6: Final answer
    x = 50,749.42

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1.5x scale

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.