Home / 194,916.35-268,910.46-122,288.47

Finding the Fourth Proportional to 194,916.35, 268,910.46 and 122,288.47

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Solution

The fourth proportional to 194,916.35, 268,910.46 and 122,288.47 is: 168,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,916.35 : 268,910.46 = 122,288.47 : x
  2. Step 2: Convert to fraction form
    194,916.35/268,910.46 = 122,288.47/x
  3. Step 3: Cross multiply
    194,916.35x = 268,910.46 × 122,288.47
  4. Step 4: Simplify right side
    194,916.35x = 32,884,648,720.40
  5. Step 5: Solve for x
    x = 32,884,648,720.40/194,916.35
  6. Step 6: Final answer
    x = 168,711.60

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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.