Home / 212,131.01-292,785.32-134,556.50

Finding the Fourth Proportional to 212,131.01, 292,785.32 and 134,556.50

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Solution

The fourth proportional to 212,131.01, 292,785.32 and 134,556.50 is: 185,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,131.01 : 292,785.32 = 134,556.50 : x
  2. Step 2: Convert to fraction form
    212,131.01/292,785.32 = 134,556.50/x
  3. Step 3: Cross multiply
    212,131.01x = 292,785.32 × 134,556.50
  4. Step 4: Simplify right side
    212,131.01x = 39,396,167,910.58
  5. Step 5: Solve for x
    x = 39,396,167,910.58/212,131.01
  6. Step 6: Final answer
    x = 185,716.21

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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.