Home / 166,144-229,382.40-106,631.68

Finding the Fourth Proportional to 166,144, 229,382.40 and 106,631.68

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Solution

The fourth proportional to 166,144, 229,382.40 and 106,631.68 is: 147,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,144 : 229,382.40 = 106,631.68 : x
  2. Step 2: Convert to fraction form
    166,144/229,382.40 = 106,631.68/x
  3. Step 3: Cross multiply
    166,144x = 229,382.40 × 106,631.68
  4. Step 4: Simplify right side
    166,144x = 24,459,430,674.43
  5. Step 5: Solve for x
    x = 24,459,430,674.43/166,144
  6. Step 6: Final answer
    x = 147,218.26

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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.