Home / 137,273.38-189,441.22-76,843.67

Finding the Fourth Proportional to 137,273.38, 189,441.22 and 76,843.67

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Solution

The fourth proportional to 137,273.38, 189,441.22 and 76,843.67 is: 106,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,273.38 : 189,441.22 = 76,843.67 : x
  2. Step 2: Convert to fraction form
    137,273.38/189,441.22 = 76,843.67/x
  3. Step 3: Cross multiply
    137,273.38x = 189,441.22 × 76,843.67
  4. Step 4: Simplify right side
    137,273.38x = 14,557,357,454.76
  5. Step 5: Solve for x
    x = 14,557,357,454.76/137,273.38
  6. Step 6: Final answer
    x = 106,046.47

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1.5x scale

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.