Home / 225,981.37-311,853.43-124,008.53

Finding the Fourth Proportional to 225,981.37, 311,853.43 and 124,008.53

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Solution

The fourth proportional to 225,981.37, 311,853.43 and 124,008.53 is: 171,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,981.37 : 311,853.43 = 124,008.53 : x
  2. Step 2: Convert to fraction form
    225,981.37/311,853.43 = 124,008.53/x
  3. Step 3: Cross multiply
    225,981.37x = 311,853.43 × 124,008.53
  4. Step 4: Simplify right side
    225,981.37x = 38,672,485,899.37
  5. Step 5: Solve for x
    x = 38,672,485,899.37/225,981.37
  6. Step 6: Final answer
    x = 171,131.30

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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.