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Finding the Fourth Proportional to 164,571.77, 227,107.71 and 89,120.27

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Solution

The fourth proportional to 164,571.77, 227,107.71 and 89,120.27 is: 122,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,571.77 : 227,107.71 = 89,120.27 : x
  2. Step 2: Convert to fraction form
    164,571.77/227,107.71 = 89,120.27/x
  3. Step 3: Cross multiply
    164,571.77x = 227,107.71 × 89,120.27
  4. Step 4: Simplify right side
    164,571.77x = 20,239,899,298.74
  5. Step 5: Solve for x
    x = 20,239,899,298.74/164,571.77
  6. Step 6: Final answer
    x = 122,985.25

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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.