Home / 104,100.62-156,126.31-47,905.65

Finding the Fourth Proportional to 104,100.62, 156,126.31 and 47,905.65

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Solution

The fourth proportional to 104,100.62, 156,126.31 and 47,905.65 is: 71,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,100.62 : 156,126.31 = 47,905.65 : x
  2. Step 2: Convert to fraction form
    104,100.62/156,126.31 = 47,905.65/x
  3. Step 3: Cross multiply
    104,100.62x = 156,126.31 × 47,905.65
  4. Step 4: Simplify right side
    104,100.62x = 7,479,332,242.89
  5. Step 5: Solve for x
    x = 7,479,332,242.89/104,100.62
  6. Step 6: Final answer
    x = 71,847.15

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1.5x scale

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.