Home / 199,560.07-299,181.15-115,224.57

Finding the Fourth Proportional to 199,560.07, 299,181.15 and 115,224.57

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Solution

The fourth proportional to 199,560.07, 299,181.15 and 115,224.57 is: 172,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,560.07 : 299,181.15 = 115,224.57 : x
  2. Step 2: Convert to fraction form
    199,560.07/299,181.15 = 115,224.57/x
  3. Step 3: Cross multiply
    199,560.07x = 299,181.15 × 115,224.57
  4. Step 4: Simplify right side
    199,560.07x = 34,473,019,360.86
  5. Step 5: Solve for x
    x = 34,473,019,360.86/199,560.07
  6. Step 6: Final answer
    x = 172,745.08

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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.