Home / 166,783.12-250,028.26-86,652.36

Finding the Fourth Proportional to 166,783.12, 250,028.26 and 86,652.36

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Solution

The fourth proportional to 166,783.12, 250,028.26 and 86,652.36 is: 129,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,783.12 : 250,028.26 = 86,652.36 : x
  2. Step 2: Convert to fraction form
    166,783.12/250,028.26 = 86,652.36/x
  3. Step 3: Cross multiply
    166,783.12x = 250,028.26 × 86,652.36
  4. Step 4: Simplify right side
    166,783.12x = 21,665,538,579.06
  5. Step 5: Solve for x
    x = 21,665,538,579.06/166,783.12
  6. Step 6: Final answer
    x = 129,902.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.