Home / 194,901.48-268,956.45-122,343.39

Finding the Fourth Proportional to 194,901.48, 268,956.45 and 122,343.39

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Solution

The fourth proportional to 194,901.48, 268,956.45 and 122,343.39 is: 168,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,901.48 : 268,956.45 = 122,343.39 : x
  2. Step 2: Convert to fraction form
    194,901.48/268,956.45 = 122,343.39/x
  3. Step 3: Cross multiply
    194,901.48x = 268,956.45 × 122,343.39
  4. Step 4: Simplify right side
    194,901.48x = 32,905,043,855.37
  5. Step 5: Solve for x
    x = 32,905,043,855.37/194,901.48
  6. Step 6: Final answer
    x = 168,829.11

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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.