Home / 137,271.36-189,795.94-120,226.73

Finding the Fourth Proportional to 137,271.36, 189,795.94 and 120,226.73

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Solution

The fourth proportional to 137,271.36, 189,795.94 and 120,226.73 is: 166,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,271.36 : 189,795.94 = 120,226.73 : x
  2. Step 2: Convert to fraction form
    137,271.36/189,795.94 = 120,226.73/x
  3. Step 3: Cross multiply
    137,271.36x = 189,795.94 × 120,226.73
  4. Step 4: Simplify right side
    137,271.36x = 22,818,544,284.50
  5. Step 5: Solve for x
    x = 22,818,544,284.50/137,271.36
  6. Step 6: Final answer
    x = 166,229.47

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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.