Home / 248,611.60-372,917.40-90,819.55

Finding the Fourth Proportional to 248,611.60, 372,917.40 and 90,819.55

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Solution

The fourth proportional to 248,611.60, 372,917.40 and 90,819.55 is: 136,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,611.60 : 372,917.40 = 90,819.55 : x
  2. Step 2: Convert to fraction form
    248,611.60/372,917.40 = 90,819.55/x
  3. Step 3: Cross multiply
    248,611.60x = 372,917.40 × 90,819.55
  4. Step 4: Simplify right side
    248,611.60x = 33,868,190,455.17
  5. Step 5: Solve for x
    x = 33,868,190,455.17/248,611.60
  6. Step 6: Final answer
    x = 136,229.33

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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.