Home / 166,896.26-230,315.84-90,416.80

Finding the Fourth Proportional to 166,896.26, 230,315.84 and 90,416.80

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Solution

The fourth proportional to 166,896.26, 230,315.84 and 90,416.80 is: 124,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,896.26 : 230,315.84 = 90,416.80 : x
  2. Step 2: Convert to fraction form
    166,896.26/230,315.84 = 90,416.80/x
  3. Step 3: Cross multiply
    166,896.26x = 230,315.84 × 90,416.80
  4. Step 4: Simplify right side
    166,896.26x = 20,824,421,242.11
  5. Step 5: Solve for x
    x = 20,824,421,242.11/166,896.26
  6. Step 6: Final answer
    x = 124,774.64

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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.