Home / 100,797.03-151,218.09-30,681.81

Finding the Fourth Proportional to 100,797.03, 151,218.09 and 30,681.81

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Solution

The fourth proportional to 100,797.03, 151,218.09 and 30,681.81 is: 46,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,797.03 : 151,218.09 = 30,681.81 : x
  2. Step 2: Convert to fraction form
    100,797.03/151,218.09 = 30,681.81/x
  3. Step 3: Cross multiply
    100,797.03x = 151,218.09 × 30,681.81
  4. Step 4: Simplify right side
    100,797.03x = 4,639,644,705.94
  5. Step 5: Solve for x
    x = 4,639,644,705.94/100,797.03
  6. Step 6: Final answer
    x = 46,029.58

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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.