Home / 104,743.43-156,836.30-71,528.37

Finding the Fourth Proportional to 104,743.43, 156,836.30 and 71,528.37

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Solution

The fourth proportional to 104,743.43, 156,836.30 and 71,528.37 is: 107,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,743.43 : 156,836.30 = 71,528.37 : x
  2. Step 2: Convert to fraction form
    104,743.43/156,836.30 = 71,528.37/x
  3. Step 3: Cross multiply
    104,743.43x = 156,836.30 × 71,528.37
  4. Step 4: Simplify right side
    104,743.43x = 11,218,244,352.40
  5. Step 5: Solve for x
    x = 11,218,244,352.40/104,743.43
  6. Step 6: Final answer
    x = 107,102.13

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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.