Home / 112,095.90-168,145.07-27,857.52

Finding the Fourth Proportional to 112,095.90, 168,145.07 and 27,857.52

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Solution

The fourth proportional to 112,095.90, 168,145.07 and 27,857.52 is: 41,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,095.90 : 168,145.07 = 27,857.52 : x
  2. Step 2: Convert to fraction form
    112,095.90/168,145.07 = 27,857.52/x
  3. Step 3: Cross multiply
    112,095.90x = 168,145.07 × 27,857.52
  4. Step 4: Simplify right side
    112,095.90x = 4,684,104,511.14
  5. Step 5: Solve for x
    x = 4,684,104,511.14/112,095.90
  6. Step 6: Final answer
    x = 41,786.58

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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.