Home / 102,785.43-154,256.04-43,662.59

Finding the Fourth Proportional to 102,785.43, 154,256.04 and 43,662.59

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Solution

The fourth proportional to 102,785.43, 154,256.04 and 43,662.59 is: 65,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,785.43 : 154,256.04 = 43,662.59 : x
  2. Step 2: Convert to fraction form
    102,785.43/154,256.04 = 43,662.59/x
  3. Step 3: Cross multiply
    102,785.43x = 154,256.04 × 43,662.59
  4. Step 4: Simplify right side
    102,785.43x = 6,735,217,458.26
  5. Step 5: Solve for x
    x = 6,735,217,458.26/102,785.43
  6. Step 6: Final answer
    x = 65,526.97

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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.