Home / 199,407.24-298,998.78-66,216.20

Finding the Fourth Proportional to 199,407.24, 298,998.78 and 66,216.20

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Solution

The fourth proportional to 199,407.24, 298,998.78 and 66,216.20 is: 99,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,407.24 : 298,998.78 = 66,216.20 : x
  2. Step 2: Convert to fraction form
    199,407.24/298,998.78 = 66,216.20/x
  3. Step 3: Cross multiply
    199,407.24x = 298,998.78 × 66,216.20
  4. Step 4: Simplify right side
    199,407.24x = 19,798,563,016.24
  5. Step 5: Solve for x
    x = 19,798,563,016.24/199,407.24
  6. Step 6: Final answer
    x = 99,287.08

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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.