Home / 111,146.46-153,367.83-63,396.96

Finding the Fourth Proportional to 111,146.46, 153,367.83 and 63,396.96

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Solution

The fourth proportional to 111,146.46, 153,367.83 and 63,396.96 is: 87,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,146.46 : 153,367.83 = 63,396.96 : x
  2. Step 2: Convert to fraction form
    111,146.46/153,367.83 = 63,396.96/x
  3. Step 3: Cross multiply
    111,146.46x = 153,367.83 × 63,396.96
  4. Step 4: Simplify right side
    111,146.46x = 9,723,054,183.80
  5. Step 5: Solve for x
    x = 9,723,054,183.80/111,146.46
  6. Step 6: Final answer
    x = 87,479.66

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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.