Home / 166,972.30-230,422.44-90,491.56

Finding the Fourth Proportional to 166,972.30, 230,422.44 and 90,491.56

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Solution

The fourth proportional to 166,972.30, 230,422.44 and 90,491.56 is: 124,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,972.30 : 230,422.44 = 90,491.56 : x
  2. Step 2: Convert to fraction form
    166,972.30/230,422.44 = 90,491.56/x
  3. Step 3: Cross multiply
    166,972.30x = 230,422.44 × 90,491.56
  4. Step 4: Simplify right side
    166,972.30x = 20,851,286,054.61
  5. Step 5: Solve for x
    x = 20,851,286,054.61/166,972.30
  6. Step 6: Final answer
    x = 124,878.71

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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.