Home / 166,066.20-248,929.20-81,696.60

Finding the Fourth Proportional to 166,066.20, 248,929.20 and 81,696.60

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Solution

The fourth proportional to 166,066.20, 248,929.20 and 81,696.60 is: 122,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,066.20 : 248,929.20 = 81,696.60 : x
  2. Step 2: Convert to fraction form
    166,066.20/248,929.20 = 81,696.60/x
  3. Step 3: Cross multiply
    166,066.20x = 248,929.20 × 81,696.60
  4. Step 4: Simplify right side
    166,066.20x = 20,336,669,280.72
  5. Step 5: Solve for x
    x = 20,336,669,280.72/166,066.20
  6. Step 6: Final answer
    x = 122,461.22

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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.