Home / 199,701.22-299,468.55-81,292.18

Finding the Fourth Proportional to 199,701.22, 299,468.55 and 81,292.18

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Solution

The fourth proportional to 199,701.22, 299,468.55 and 81,292.18 is: 121,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,701.22 : 299,468.55 = 81,292.18 : x
  2. Step 2: Convert to fraction form
    199,701.22/299,468.55 = 81,292.18/x
  3. Step 3: Cross multiply
    199,701.22x = 299,468.55 × 81,292.18
  4. Step 4: Simplify right side
    199,701.22x = 24,344,451,270.94
  5. Step 5: Solve for x
    x = 24,344,451,270.94/199,701.22
  6. Step 6: Final answer
    x = 121,904.37

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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.