Home / 100,054.14-150,081.46-40,889.80

Finding the Fourth Proportional to 100,054.14, 150,081.46 and 40,889.80

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Solution

The fourth proportional to 100,054.14, 150,081.46 and 40,889.80 is: 61,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,054.14 : 150,081.46 = 40,889.80 : x
  2. Step 2: Convert to fraction form
    100,054.14/150,081.46 = 40,889.80/x
  3. Step 3: Cross multiply
    100,054.14x = 150,081.46 × 40,889.80
  4. Step 4: Simplify right side
    100,054.14x = 6,136,800,883.11
  5. Step 5: Solve for x
    x = 6,136,800,883.11/100,054.14
  6. Step 6: Final answer
    x = 61,334.80

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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.