Home / 211,834.44-292,299.84-121,176

Finding the Fourth Proportional to 211,834.44, 292,299.84 and 121,176

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Solution

The fourth proportional to 211,834.44, 292,299.84 and 121,176 is: 167,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,834.44 : 292,299.84 = 121,176 : x
  2. Step 2: Convert to fraction form
    211,834.44/292,299.84 = 121,176/x
  3. Step 3: Cross multiply
    211,834.44x = 292,299.84 × 121,176
  4. Step 4: Simplify right side
    211,834.44x = 35,419,725,411.84
  5. Step 5: Solve for x
    x = 35,419,725,411.84/211,834.44
  6. Step 6: Final answer
    x = 167,204.75

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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.