Home / 230,349.09-345,624.03-80,696.73

Finding the Fourth Proportional to 230,349.09, 345,624.03 and 80,696.73

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Solution

The fourth proportional to 230,349.09, 345,624.03 and 80,696.73 is: 121,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,349.09 : 345,624.03 = 80,696.73 : x
  2. Step 2: Convert to fraction form
    230,349.09/345,624.03 = 80,696.73/x
  3. Step 3: Cross multiply
    230,349.09x = 345,624.03 × 80,696.73
  4. Step 4: Simplify right side
    230,349.09x = 27,890,729,030.42
  5. Step 5: Solve for x
    x = 27,890,729,030.42/230,349.09
  6. Step 6: Final answer
    x = 121,080.27

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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.