Home / 112,045.04-168,067.56-28,939.04

Finding the Fourth Proportional to 112,045.04, 168,067.56 and 28,939.04

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Solution

The fourth proportional to 112,045.04, 168,067.56 and 28,939.04 is: 43,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,045.04 : 168,067.56 = 28,939.04 : x
  2. Step 2: Convert to fraction form
    112,045.04/168,067.56 = 28,939.04/x
  3. Step 3: Cross multiply
    112,045.04x = 168,067.56 × 28,939.04
  4. Step 4: Simplify right side
    112,045.04x = 4,863,713,841.54
  5. Step 5: Solve for x
    x = 4,863,713,841.54/112,045.04
  6. Step 6: Final answer
    x = 43,408.56

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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.