Home / 106,464.72-159,434.64-66,923.76

Finding the Fourth Proportional to 106,464.72, 159,434.64 and 66,923.76

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Solution

The fourth proportional to 106,464.72, 159,434.64 and 66,923.76 is: 100,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,464.72 : 159,434.64 = 66,923.76 : x
  2. Step 2: Convert to fraction form
    106,464.72/159,434.64 = 66,923.76/x
  3. Step 3: Cross multiply
    106,464.72x = 159,434.64 × 66,923.76
  4. Step 4: Simplify right side
    106,464.72x = 10,669,965,583.05
  5. Step 5: Solve for x
    x = 10,669,965,583.05/106,464.72
  6. Step 6: Final answer
    x = 100,220.67

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1.5x scale

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.