Home / 144,322.12-199,147.26-79,782.67

Finding the Fourth Proportional to 144,322.12, 199,147.26 and 79,782.67

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Solution

The fourth proportional to 144,322.12, 199,147.26 and 79,782.67 is: 110,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,322.12 : 199,147.26 = 79,782.67 : x
  2. Step 2: Convert to fraction form
    144,322.12/199,147.26 = 79,782.67/x
  3. Step 3: Cross multiply
    144,322.12x = 199,147.26 × 79,782.67
  4. Step 4: Simplify right side
    144,322.12x = 15,888,500,125.98
  5. Step 5: Solve for x
    x = 15,888,500,125.98/144,322.12
  6. Step 6: Final answer
    x = 110,090.54

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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.