Home / 126,621.73-189,848.22-69,722.44

Finding the Fourth Proportional to 126,621.73, 189,848.22 and 69,722.44

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Solution

The fourth proportional to 126,621.73, 189,848.22 and 69,722.44 is: 104,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,621.73 : 189,848.22 = 69,722.44 : x
  2. Step 2: Convert to fraction form
    126,621.73/189,848.22 = 69,722.44/x
  3. Step 3: Cross multiply
    126,621.73x = 189,848.22 × 69,722.44
  4. Step 4: Simplify right side
    126,621.73x = 13,236,681,128.06
  5. Step 5: Solve for x
    x = 13,236,681,128.06/126,621.73
  6. Step 6: Final answer
    x = 104,537.20

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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.