Home / 111,132.12-166,549.08-71,668.92

Finding the Fourth Proportional to 111,132.12, 166,549.08 and 71,668.92

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Solution

The fourth proportional to 111,132.12, 166,549.08 and 71,668.92 is: 107,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,132.12 : 166,549.08 = 71,668.92 : x
  2. Step 2: Convert to fraction form
    111,132.12/166,549.08 = 71,668.92/x
  3. Step 3: Cross multiply
    111,132.12x = 166,549.08 × 71,668.92
  4. Step 4: Simplify right side
    111,132.12x = 11,936,392,690.59
  5. Step 5: Solve for x
    x = 11,936,392,690.59/111,132.12
  6. Step 6: Final answer
    x = 107,407.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.