Home / 104,639.67-156,956.00-45,475.34

Finding the Fourth Proportional to 104,639.67, 156,956.00 and 45,475.34

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Solution

The fourth proportional to 104,639.67, 156,956.00 and 45,475.34 is: 68,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,639.67 : 156,956.00 = 45,475.34 : x
  2. Step 2: Convert to fraction form
    104,639.67/156,956.00 = 45,475.34/x
  3. Step 3: Cross multiply
    104,639.67x = 156,956.00 × 45,475.34
  4. Step 4: Simplify right side
    104,639.67x = 7,137,626,452.88
  5. Step 5: Solve for x
    x = 7,137,626,452.88/104,639.67
  6. Step 6: Final answer
    x = 68,211.48

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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.