Home / 122,512.68-183,816.57-47,685.39

Finding the Fourth Proportional to 122,512.68, 183,816.57 and 47,685.39

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Solution

The fourth proportional to 122,512.68, 183,816.57 and 47,685.39 is: 71,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,512.68 : 183,816.57 = 47,685.39 : x
  2. Step 2: Convert to fraction form
    122,512.68/183,816.57 = 47,685.39/x
  3. Step 3: Cross multiply
    122,512.68x = 183,816.57 × 47,685.39
  4. Step 4: Simplify right side
    122,512.68x = 8,765,364,828.91
  5. Step 5: Solve for x
    x = 8,765,364,828.91/122,512.68
  6. Step 6: Final answer
    x = 71,546.59

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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.