Home / 166,765.96-230,137.12-90,285.07

Finding the Fourth Proportional to 166,765.96, 230,137.12 and 90,285.07

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Solution

The fourth proportional to 166,765.96, 230,137.12 and 90,285.07 is: 124,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,765.96 : 230,137.12 = 90,285.07 : x
  2. Step 2: Convert to fraction form
    166,765.96/230,137.12 = 90,285.07/x
  3. Step 3: Cross multiply
    166,765.96x = 230,137.12 × 90,285.07
  4. Step 4: Simplify right side
    166,765.96x = 20,777,946,773.12
  5. Step 5: Solve for x
    x = 20,777,946,773.12/166,765.96
  6. Step 6: Final answer
    x = 124,593.45

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1.5x scale

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.