Home / 225,725.94-311,500.08-123,750.18

Finding the Fourth Proportional to 225,725.94, 311,500.08 and 123,750.18

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Solution

The fourth proportional to 225,725.94, 311,500.08 and 123,750.18 is: 170,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,725.94 : 311,500.08 = 123,750.18 : x
  2. Step 2: Convert to fraction form
    225,725.94/311,500.08 = 123,750.18/x
  3. Step 3: Cross multiply
    225,725.94x = 311,500.08 × 123,750.18
  4. Step 4: Simplify right side
    225,725.94x = 38,548,190,970.01
  5. Step 5: Solve for x
    x = 38,548,190,970.01/225,725.94
  6. Step 6: Final answer
    x = 170,774.31

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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.