Home / 215,105.28-296,826.24-125,664

Finding the Fourth Proportional to 215,105.28, 296,826.24 and 125,664

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Solution

The fourth proportional to 215,105.28, 296,826.24 and 125,664 is: 173,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,105.28 : 296,826.24 = 125,664 : x
  2. Step 2: Convert to fraction form
    215,105.28/296,826.24 = 125,664/x
  3. Step 3: Cross multiply
    215,105.28x = 296,826.24 × 125,664
  4. Step 4: Simplify right side
    215,105.28x = 37,300,372,623.36
  5. Step 5: Solve for x
    x = 37,300,372,623.36/215,105.28
  6. Step 6: Final answer
    x = 173,405.19

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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.