Home / 186,729.53-279,700.43-126,794.79

Finding the Fourth Proportional to 186,729.53, 279,700.43 and 126,794.79

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Solution

The fourth proportional to 186,729.53, 279,700.43 and 126,794.79 is: 189,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,729.53 : 279,700.43 = 126,794.79 : x
  2. Step 2: Convert to fraction form
    186,729.53/279,700.43 = 126,794.79/x
  3. Step 3: Cross multiply
    186,729.53x = 279,700.43 × 126,794.79
  4. Step 4: Simplify right side
    186,729.53x = 35,464,556,650.79
  5. Step 5: Solve for x
    x = 35,464,556,650.79/186,729.53
  6. Step 6: Final answer
    x = 189,924.74

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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.