Home / 145,532.43-200,761.26-85,063.57

Finding the Fourth Proportional to 145,532.43, 200,761.26 and 85,063.57

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Solution

The fourth proportional to 145,532.43, 200,761.26 and 85,063.57 is: 117,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,532.43 : 200,761.26 = 85,063.57 : x
  2. Step 2: Convert to fraction form
    145,532.43/200,761.26 = 85,063.57/x
  3. Step 3: Cross multiply
    145,532.43x = 200,761.26 × 85,063.57
  4. Step 4: Simplify right side
    145,532.43x = 17,077,469,493.30
  5. Step 5: Solve for x
    x = 17,077,469,493.30/145,532.43
  6. Step 6: Final answer
    x = 117,344.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.