Home / 100,808.24-151,206.80-30,682.08

Finding the Fourth Proportional to 100,808.24, 151,206.80 and 30,682.08

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Solution

The fourth proportional to 100,808.24, 151,206.80 and 30,682.08 is: 46,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,808.24 : 151,206.80 = 30,682.08 : x
  2. Step 2: Convert to fraction form
    100,808.24/151,206.80 = 30,682.08/x
  3. Step 3: Cross multiply
    100,808.24x = 151,206.80 × 30,682.08
  4. Step 4: Simplify right side
    100,808.24x = 4,639,339,134.14
  5. Step 5: Solve for x
    x = 4,639,339,134.14/100,808.24
  6. Step 6: Final answer
    x = 46,021.43

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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.