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Finding the Fourth Proportional to 164,507.09, 227,015.60 and 91,910.54

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Solution

The fourth proportional to 164,507.09, 227,015.60 and 91,910.54 is: 126,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,507.09 : 227,015.60 = 91,910.54 : x
  2. Step 2: Convert to fraction form
    164,507.09/227,015.60 = 91,910.54/x
  3. Step 3: Cross multiply
    164,507.09x = 227,015.60 × 91,910.54
  4. Step 4: Simplify right side
    164,507.09x = 20,865,126,384.42
  5. Step 5: Solve for x
    x = 20,865,126,384.42/164,507.09
  6. Step 6: Final answer
    x = 126,834.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.