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Finding the Fourth Proportional to 164,945.70, 227,626.20 and 89,494.20

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Solution

The fourth proportional to 164,945.70, 227,626.20 and 89,494.20 is: 123,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,945.70 : 227,626.20 = 89,494.20 : x
  2. Step 2: Convert to fraction form
    164,945.70/227,626.20 = 89,494.20/x
  3. Step 3: Cross multiply
    164,945.70x = 227,626.20 × 89,494.20
  4. Step 4: Simplify right side
    164,945.70x = 20,371,224,668.04
  5. Step 5: Solve for x
    x = 20,371,224,668.04/164,945.70
  6. Step 6: Final answer
    x = 123,502.61

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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.