Home / 84,919.32-117,196.02-47,196

Finding the Fourth Proportional to 84,919.32, 117,196.02 and 47,196

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Solution

The fourth proportional to 84,919.32, 117,196.02 and 47,196 is: 65,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.32 : 117,196.02 = 47,196 : x
  2. Step 2: Convert to fraction form
    84,919.32/117,196.02 = 47,196/x
  3. Step 3: Cross multiply
    84,919.32x = 117,196.02 × 47,196
  4. Step 4: Simplify right side
    84,919.32x = 5,531,183,359.92
  5. Step 5: Solve for x
    x = 5,531,183,359.92/84,919.32
  6. Step 6: Final answer
    x = 65,134.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.