Home / 150,680.55-225,938.70-45,485.85

Finding the Fourth Proportional to 150,680.55, 225,938.70 and 45,485.85

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Solution

The fourth proportional to 150,680.55, 225,938.70 and 45,485.85 is: 68,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,680.55 : 225,938.70 = 45,485.85 : x
  2. Step 2: Convert to fraction form
    150,680.55/225,938.70 = 45,485.85/x
  3. Step 3: Cross multiply
    150,680.55x = 225,938.70 × 45,485.85
  4. Step 4: Simplify right side
    150,680.55x = 10,277,013,817.40
  5. Step 5: Solve for x
    x = 10,277,013,817.40/150,680.55
  6. Step 6: Final answer
    x = 68,203.98

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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.