Home / 150,821.30-225,903.90-121,296.80

Finding the Fourth Proportional to 150,821.30, 225,903.90 and 121,296.80

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Solution

The fourth proportional to 150,821.30, 225,903.90 and 121,296.80 is: 181,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,821.30 : 225,903.90 = 121,296.80 : x
  2. Step 2: Convert to fraction form
    150,821.30/225,903.90 = 121,296.80/x
  3. Step 3: Cross multiply
    150,821.30x = 225,903.90 × 121,296.80
  4. Step 4: Simplify right side
    150,821.30x = 27,401,420,177.52
  5. Step 5: Solve for x
    x = 27,401,420,177.52/150,821.30
  6. Step 6: Final answer
    x = 181,681.37

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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.