Home / 112,908.90-169,363.43-28,675.38

Finding the Fourth Proportional to 112,908.90, 169,363.43 and 28,675.38

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Solution

The fourth proportional to 112,908.90, 169,363.43 and 28,675.38 is: 43,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,908.90 : 169,363.43 = 28,675.38 : x
  2. Step 2: Convert to fraction form
    112,908.90/169,363.43 = 28,675.38/x
  3. Step 3: Cross multiply
    112,908.90x = 169,363.43 × 28,675.38
  4. Step 4: Simplify right side
    112,908.90x = 4,856,560,713.35
  5. Step 5: Solve for x
    x = 4,856,560,713.35/112,908.90
  6. Step 6: Final answer
    x = 43,013.09

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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.