Home / 166,279.72-229,457.44-90,813.64

Finding the Fourth Proportional to 166,279.72, 229,457.44 and 90,813.64

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Solution

The fourth proportional to 166,279.72, 229,457.44 and 90,813.64 is: 125,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,279.72 : 229,457.44 = 90,813.64 : x
  2. Step 2: Convert to fraction form
    166,279.72/229,457.44 = 90,813.64/x
  3. Step 3: Cross multiply
    166,279.72x = 229,457.44 × 90,813.64
  4. Step 4: Simplify right side
    166,279.72x = 20,837,865,351.48
  5. Step 5: Solve for x
    x = 20,837,865,351.48/166,279.72
  6. Step 6: Final answer
    x = 125,318.14

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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.