Home / 134,672.10-201,789.45-84,662.70

Finding the Fourth Proportional to 134,672.10, 201,789.45 and 84,662.70

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Solution

The fourth proportional to 134,672.10, 201,789.45 and 84,662.70 is: 126,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,672.10 : 201,789.45 = 84,662.70 : x
  2. Step 2: Convert to fraction form
    134,672.10/201,789.45 = 84,662.70/x
  3. Step 3: Cross multiply
    134,672.10x = 201,789.45 × 84,662.70
  4. Step 4: Simplify right side
    134,672.10x = 17,084,039,668.52
  5. Step 5: Solve for x
    x = 17,084,039,668.52/134,672.10
  6. Step 6: Final answer
    x = 126,856.56

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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.