Home / 100,427.76-150,641.88-41,221.80

Finding the Fourth Proportional to 100,427.76, 150,641.88 and 41,221.80

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Solution

The fourth proportional to 100,427.76, 150,641.88 and 41,221.80 is: 61,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,427.76 : 150,641.88 = 41,221.80 : x
  2. Step 2: Convert to fraction form
    100,427.76/150,641.88 = 41,221.80/x
  3. Step 3: Cross multiply
    100,427.76x = 150,641.88 × 41,221.80
  4. Step 4: Simplify right side
    100,427.76x = 6,209,729,448.98
  5. Step 5: Solve for x
    x = 6,209,729,448.98/100,427.76
  6. Step 6: Final answer
    x = 61,832.80

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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.