Home / 236,180.88-354,319.92-130,778.40

Finding the Fourth Proportional to 236,180.88, 354,319.92 and 130,778.40

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Solution

The fourth proportional to 236,180.88, 354,319.92 and 130,778.40 is: 196,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,180.88 : 354,319.92 = 130,778.40 : x
  2. Step 2: Convert to fraction form
    236,180.88/354,319.92 = 130,778.40/x
  3. Step 3: Cross multiply
    236,180.88x = 354,319.92 × 130,778.40
  4. Step 4: Simplify right side
    236,180.88x = 46,337,392,225.73
  5. Step 5: Solve for x
    x = 46,337,392,225.73/236,180.88
  6. Step 6: Final answer
    x = 196,194.51

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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.