Home / 154,999.68-213,964.56-104,766.72

Finding the Fourth Proportional to 154,999.68, 213,964.56 and 104,766.72

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Solution

The fourth proportional to 154,999.68, 213,964.56 and 104,766.72 is: 144,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,999.68 : 213,964.56 = 104,766.72 : x
  2. Step 2: Convert to fraction form
    154,999.68/213,964.56 = 104,766.72/x
  3. Step 3: Cross multiply
    154,999.68x = 213,964.56 × 104,766.72
  4. Step 4: Simplify right side
    154,999.68x = 22,416,365,147.44
  5. Step 5: Solve for x
    x = 22,416,365,147.44/154,999.68
  6. Step 6: Final answer
    x = 144,622.01

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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.