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Finding the Fourth Proportional to 99,976.92, 150,025.83 and 43,820.25

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Solution

The fourth proportional to 99,976.92, 150,025.83 and 43,820.25 is: 65,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,976.92 : 150,025.83 = 43,820.25 : x
  2. Step 2: Convert to fraction form
    99,976.92/150,025.83 = 43,820.25/x
  3. Step 3: Cross multiply
    99,976.92x = 150,025.83 × 43,820.25
  4. Step 4: Simplify right side
    99,976.92x = 6,574,169,377.06
  5. Step 5: Solve for x
    x = 6,574,169,377.06/99,976.92
  6. Step 6: Final answer
    x = 65,756.87

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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.