Home / 199,489.32-299,231.07-92,813.61

Finding the Fourth Proportional to 199,489.32, 299,231.07 and 92,813.61

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Solution

The fourth proportional to 199,489.32, 299,231.07 and 92,813.61 is: 139,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,489.32 : 299,231.07 = 92,813.61 : x
  2. Step 2: Convert to fraction form
    199,489.32/299,231.07 = 92,813.61/x
  3. Step 3: Cross multiply
    199,489.32x = 299,231.07 × 92,813.61
  4. Step 4: Simplify right side
    199,489.32x = 27,772,715,830.86
  5. Step 5: Solve for x
    x = 27,772,715,830.86/199,489.32
  6. Step 6: Final answer
    x = 139,219.06

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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.