Home / 236,209.68-354,483-131,112.72

Finding the Fourth Proportional to 236,209.68, 354,483 and 131,112.72

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Solution

The fourth proportional to 236,209.68, 354,483 and 131,112.72 is: 196,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,209.68 : 354,483 = 131,112.72 : x
  2. Step 2: Convert to fraction form
    236,209.68/354,483 = 131,112.72/x
  3. Step 3: Cross multiply
    236,209.68x = 354,483 × 131,112.72
  4. Step 4: Simplify right side
    236,209.68x = 46,477,230,323.76
  5. Step 5: Solve for x
    x = 46,477,230,323.76/236,209.68
  6. Step 6: Final answer
    x = 196,762.60

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1.5x scale

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.