Home / 225,822.05-311,611.97-130,359.50

Finding the Fourth Proportional to 225,822.05, 311,611.97 and 130,359.50

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Solution

The fourth proportional to 225,822.05, 311,611.97 and 130,359.50 is: 179,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.05 : 311,611.97 = 130,359.50 : x
  2. Step 2: Convert to fraction form
    225,822.05/311,611.97 = 130,359.50/x
  3. Step 3: Cross multiply
    225,822.05x = 311,611.97 × 130,359.50
  4. Step 4: Simplify right side
    225,822.05x = 40,621,579,045.16
  5. Step 5: Solve for x
    x = 40,621,579,045.16/225,822.05
  6. Step 6: Final answer
    x = 179,883.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.