Home / 136,440.65-186,924.56-131,327.15

Finding the Fourth Proportional to 136,440.65, 186,924.56 and 131,327.15

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Solution

The fourth proportional to 136,440.65, 186,924.56 and 131,327.15 is: 179,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,440.65 : 186,924.56 = 131,327.15 : x
  2. Step 2: Convert to fraction form
    136,440.65/186,924.56 = 131,327.15/x
  3. Step 3: Cross multiply
    136,440.65x = 186,924.56 × 131,327.15
  4. Step 4: Simplify right side
    136,440.65x = 24,548,268,138.55
  5. Step 5: Solve for x
    x = 24,548,268,138.55/136,440.65
  6. Step 6: Final answer
    x = 179,919.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.