Home / 164,490.21-226,996.83-89,038.71

Finding the Fourth Proportional to 164,490.21, 226,996.83 and 89,038.71

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Solution

The fourth proportional to 164,490.21, 226,996.83 and 89,038.71 is: 122,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,490.21 : 226,996.83 = 89,038.71 : x
  2. Step 2: Convert to fraction form
    164,490.21/226,996.83 = 89,038.71/x
  3. Step 3: Cross multiply
    164,490.21x = 226,996.83 × 89,038.71
  4. Step 4: Simplify right side
    164,490.21x = 20,211,504,917.29
  5. Step 5: Solve for x
    x = 20,211,504,917.29/164,490.21
  6. Step 6: Final answer
    x = 122,873.60

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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.