Home / 166,670.21-230,005.49-90,189.30

Finding the Fourth Proportional to 166,670.21, 230,005.49 and 90,189.30

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Solution

The fourth proportional to 166,670.21, 230,005.49 and 90,189.30 is: 124,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,670.21 : 230,005.49 = 90,189.30 : x
  2. Step 2: Convert to fraction form
    166,670.21/230,005.49 = 90,189.30/x
  3. Step 3: Cross multiply
    166,670.21x = 230,005.49 × 90,189.30
  4. Step 4: Simplify right side
    166,670.21x = 20,744,033,764.37
  5. Step 5: Solve for x
    x = 20,744,033,764.37/166,670.21
  6. Step 6: Final answer
    x = 124,461.56

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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.