Home / 161,692.44-242,663.20-130,179.60

Finding the Fourth Proportional to 161,692.44, 242,663.20 and 130,179.60

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Solution

The fourth proportional to 161,692.44, 242,663.20 and 130,179.60 is: 195,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,692.44 : 242,663.20 = 130,179.60 : x
  2. Step 2: Convert to fraction form
    161,692.44/242,663.20 = 130,179.60/x
  3. Step 3: Cross multiply
    161,692.44x = 242,663.20 × 130,179.60
  4. Step 4: Simplify right side
    161,692.44x = 31,589,798,310.72
  5. Step 5: Solve for x
    x = 31,589,798,310.72/161,692.44
  6. Step 6: Final answer
    x = 195,369.67

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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.