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Finding the Fourth Proportional to 109,200.92, 163,783.12 and 30,323.12

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Solution

The fourth proportional to 109,200.92, 163,783.12 and 30,323.12 is: 45,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,200.92 : 163,783.12 = 30,323.12 : x
  2. Step 2: Convert to fraction form
    109,200.92/163,783.12 = 30,323.12/x
  3. Step 3: Cross multiply
    109,200.92x = 163,783.12 × 30,323.12
  4. Step 4: Simplify right side
    109,200.92x = 4,966,415,201.73
  5. Step 5: Solve for x
    x = 4,966,415,201.73/109,200.92
  6. Step 6: Final answer
    x = 45,479.61

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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.