Home / 199,782.24-299,672.28-81,453.12

Finding the Fourth Proportional to 199,782.24, 299,672.28 and 81,453.12

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Solution

The fourth proportional to 199,782.24, 299,672.28 and 81,453.12 is: 122,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,782.24 : 299,672.28 = 81,453.12 : x
  2. Step 2: Convert to fraction form
    199,782.24/299,672.28 = 81,453.12/x
  3. Step 3: Cross multiply
    199,782.24x = 299,672.28 × 81,453.12
  4. Step 4: Simplify right side
    199,782.24x = 24,409,242,183.51
  5. Step 5: Solve for x
    x = 24,409,242,183.51/199,782.24
  6. Step 6: Final answer
    x = 122,179.24

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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.