Home / 137,284.73-189,453.02-76,855.49

Finding the Fourth Proportional to 137,284.73, 189,453.02 and 76,855.49

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Solution

The fourth proportional to 137,284.73, 189,453.02 and 76,855.49 is: 106,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,284.73 : 189,453.02 = 76,855.49 : x
  2. Step 2: Convert to fraction form
    137,284.73/189,453.02 = 76,855.49/x
  3. Step 3: Cross multiply
    137,284.73x = 189,453.02 × 76,855.49
  4. Step 4: Simplify right side
    137,284.73x = 14,560,503,352.54
  5. Step 5: Solve for x
    x = 14,560,503,352.54/137,284.73
  6. Step 6: Final answer
    x = 106,060.62

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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.