Home / 225,826.15-311,640.09-125,224.15

Finding the Fourth Proportional to 225,826.15, 311,640.09 and 125,224.15

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Solution

The fourth proportional to 225,826.15, 311,640.09 and 125,224.15 is: 172,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,826.15 : 311,640.09 = 125,224.15 : x
  2. Step 2: Convert to fraction form
    225,826.15/311,640.09 = 125,224.15/x
  3. Step 3: Cross multiply
    225,826.15x = 311,640.09 × 125,224.15
  4. Step 4: Simplify right side
    225,826.15x = 39,024,865,376.17
  5. Step 5: Solve for x
    x = 39,024,865,376.17/225,826.15
  6. Step 6: Final answer
    x = 172,809.33

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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.