Home / 150,824.30-225,908.40-121,299.80

Finding the Fourth Proportional to 150,824.30, 225,908.40 and 121,299.80

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Solution

The fourth proportional to 150,824.30, 225,908.40 and 121,299.80 is: 181,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,824.30 : 225,908.40 = 121,299.80 : x
  2. Step 2: Convert to fraction form
    150,824.30/225,908.40 = 121,299.80/x
  3. Step 3: Cross multiply
    150,824.30x = 225,908.40 × 121,299.80
  4. Step 4: Simplify right side
    150,824.30x = 27,402,643,738.32
  5. Step 5: Solve for x
    x = 27,402,643,738.32/150,824.30
  6. Step 6: Final answer
    x = 181,685.87

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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.