Home / 72,186.26-108,206.69-30,089.64

Finding the Fourth Proportional to 72,186.26, 108,206.69 and 30,089.64

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Solution

The fourth proportional to 72,186.26, 108,206.69 and 30,089.64 is: 45,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,186.26 : 108,206.69 = 30,089.64 : x
  2. Step 2: Convert to fraction form
    72,186.26/108,206.69 = 30,089.64/x
  3. Step 3: Cross multiply
    72,186.26x = 108,206.69 × 30,089.64
  4. Step 4: Simplify right side
    72,186.26x = 3,255,900,687.65
  5. Step 5: Solve for x
    x = 3,255,900,687.65/72,186.26
  6. Step 6: Final answer
    x = 45,104.16

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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.