Home / 225,966.66-311,823.57-123,989.64

Finding the Fourth Proportional to 225,966.66, 311,823.57 and 123,989.64

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Solution

The fourth proportional to 225,966.66, 311,823.57 and 123,989.64 is: 171,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,966.66 : 311,823.57 = 123,989.64 : x
  2. Step 2: Convert to fraction form
    225,966.66/311,823.57 = 123,989.64/x
  3. Step 3: Cross multiply
    225,966.66x = 311,823.57 × 123,989.64
  4. Step 4: Simplify right side
    225,966.66x = 38,662,892,187.81
  5. Step 5: Solve for x
    x = 38,662,892,187.81/225,966.66
  6. Step 6: Final answer
    x = 171,099.99

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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.