Home / 112,634.32-168,951.34-51,838.48

Finding the Fourth Proportional to 112,634.32, 168,951.34 and 51,838.48

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Solution

The fourth proportional to 112,634.32, 168,951.34 and 51,838.48 is: 77,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,634.32 : 168,951.34 = 51,838.48 : x
  2. Step 2: Convert to fraction form
    112,634.32/168,951.34 = 51,838.48/x
  3. Step 3: Cross multiply
    112,634.32x = 168,951.34 × 51,838.48
  4. Step 4: Simplify right side
    112,634.32x = 8,758,180,659.56
  5. Step 5: Solve for x
    x = 8,758,180,659.56/112,634.32
  6. Step 6: Final answer
    x = 77,757.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.