Home / 166,588.36-229,891.94-90,107.45

Finding the Fourth Proportional to 166,588.36, 229,891.94 and 90,107.45

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Solution

The fourth proportional to 166,588.36, 229,891.94 and 90,107.45 is: 124,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,588.36 : 229,891.94 = 90,107.45 : x
  2. Step 2: Convert to fraction form
    166,588.36/229,891.94 = 90,107.45/x
  3. Step 3: Cross multiply
    166,588.36x = 229,891.94 × 90,107.45
  4. Step 4: Simplify right side
    166,588.36x = 20,714,976,266.57
  5. Step 5: Solve for x
    x = 20,714,976,266.57/166,588.36
  6. Step 6: Final answer
    x = 124,348.28

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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.