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Finding the Fourth Proportional to 101,847.70, 152,712.34 and 68,152.23

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Solution

The fourth proportional to 101,847.70, 152,712.34 and 68,152.23 is: 102,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,847.70 : 152,712.34 = 68,152.23 : x
  2. Step 2: Convert to fraction form
    101,847.70/152,712.34 = 68,152.23/x
  3. Step 3: Cross multiply
    101,847.70x = 152,712.34 × 68,152.23
  4. Step 4: Simplify right side
    101,847.70x = 10,407,686,519.52
  5. Step 5: Solve for x
    x = 10,407,686,519.52/101,847.70
  6. Step 6: Final answer
    x = 102,188.72

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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.