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Finding the Fourth Proportional to 166,078.68, 229,186.44 and 90,622.32

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Solution

The fourth proportional to 166,078.68, 229,186.44 and 90,622.32 is: 125,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,078.68 : 229,186.44 = 90,622.32 : x
  2. Step 2: Convert to fraction form
    166,078.68/229,186.44 = 90,622.32/x
  3. Step 3: Cross multiply
    166,078.68x = 229,186.44 × 90,622.32
  4. Step 4: Simplify right side
    166,078.68x = 20,769,406,905.34
  5. Step 5: Solve for x
    x = 20,769,406,905.34/166,078.68
  6. Step 6: Final answer
    x = 125,057.63

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