Home / 199,122.16-298,691.96-92,606.16

Finding the Fourth Proportional to 199,122.16, 298,691.96 and 92,606.16

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Solution

The fourth proportional to 199,122.16, 298,691.96 and 92,606.16 is: 138,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,122.16 : 298,691.96 = 92,606.16 : x
  2. Step 2: Convert to fraction form
    199,122.16/298,691.96 = 92,606.16/x
  3. Step 3: Cross multiply
    199,122.16x = 298,691.96 × 92,606.16
  4. Step 4: Simplify right side
    199,122.16x = 27,660,715,438.47
  5. Step 5: Solve for x
    x = 27,660,715,438.47/199,122.16
  6. Step 6: Final answer
    x = 138,913.30

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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.