Home / 166,466.79-229,725.14-91,015.29

Finding the Fourth Proportional to 166,466.79, 229,725.14 and 91,015.29

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Solution

The fourth proportional to 166,466.79, 229,725.14 and 91,015.29 is: 125,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,466.79 : 229,725.14 = 91,015.29 : x
  2. Step 2: Convert to fraction form
    166,466.79/229,725.14 = 91,015.29/x
  3. Step 3: Cross multiply
    166,466.79x = 229,725.14 × 91,015.29
  4. Step 4: Simplify right side
    166,466.79x = 20,908,499,782.31
  5. Step 5: Solve for x
    x = 20,908,499,782.31/166,466.79
  6. Step 6: Final answer
    x = 125,601.63

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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.