Home / 225,832.05-311,598.50-130,318.47

Finding the Fourth Proportional to 225,832.05, 311,598.50 and 130,318.47

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Solution

The fourth proportional to 225,832.05, 311,598.50 and 130,318.47 is: 179,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,832.05 : 311,598.50 = 130,318.47 : x
  2. Step 2: Convert to fraction form
    225,832.05/311,598.50 = 130,318.47/x
  3. Step 3: Cross multiply
    225,832.05x = 311,598.50 × 130,318.47
  4. Step 4: Simplify right side
    225,832.05x = 40,607,039,122.70
  5. Step 5: Solve for x
    x = 40,607,039,122.70/225,832.05
  6. Step 6: Final answer
    x = 179,810.79

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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.