Home / 100,692.54-151,037.46-40,720.14

Finding the Fourth Proportional to 100,692.54, 151,037.46 and 40,720.14

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Solution

The fourth proportional to 100,692.54, 151,037.46 and 40,720.14 is: 61,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,692.54 : 151,037.46 = 40,720.14 : x
  2. Step 2: Convert to fraction form
    100,692.54/151,037.46 = 40,720.14/x
  3. Step 3: Cross multiply
    100,692.54x = 151,037.46 × 40,720.14
  4. Step 4: Simplify right side
    100,692.54x = 6,150,266,516.44
  5. Step 5: Solve for x
    x = 6,150,266,516.44/100,692.54
  6. Step 6: Final answer
    x = 61,079.66

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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.