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Finding the Fourth Proportional to 188,862.88, 283,469.28 and 95,434.24

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Solution

The fourth proportional to 188,862.88, 283,469.28 and 95,434.24 is: 143,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,862.88 : 283,469.28 = 95,434.24 : x
  2. Step 2: Convert to fraction form
    188,862.88/283,469.28 = 95,434.24/x
  3. Step 3: Cross multiply
    188,862.88x = 283,469.28 × 95,434.24
  4. Step 4: Simplify right side
    188,862.88x = 27,052,675,300.15
  5. Step 5: Solve for x
    x = 27,052,675,300.15/188,862.88
  6. Step 6: Final answer
    x = 143,239.77

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1.5x scale

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.