Home / 100,692.32-151,028.71-30,572.24

Finding the Fourth Proportional to 100,692.32, 151,028.71 and 30,572.24

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Solution

The fourth proportional to 100,692.32, 151,028.71 and 30,572.24 is: 45,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,692.32 : 151,028.71 = 30,572.24 : x
  2. Step 2: Convert to fraction form
    100,692.32/151,028.71 = 30,572.24/x
  3. Step 3: Cross multiply
    100,692.32x = 151,028.71 × 30,572.24
  4. Step 4: Simplify right side
    100,692.32x = 4,617,285,137.44
  5. Step 5: Solve for x
    x = 4,617,285,137.44/100,692.32
  6. Step 6: Final answer
    x = 45,855.39

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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.