Home / 112,019.78-168,029.67-33,127.86

Finding the Fourth Proportional to 112,019.78, 168,029.67 and 33,127.86

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Solution

The fourth proportional to 112,019.78, 168,029.67 and 33,127.86 is: 49,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019.78 : 168,029.67 = 33,127.86 : x
  2. Step 2: Convert to fraction form
    112,019.78/168,029.67 = 33,127.86/x
  3. Step 3: Cross multiply
    112,019.78x = 168,029.67 × 33,127.86
  4. Step 4: Simplify right side
    112,019.78x = 5,566,464,137.95
  5. Step 5: Solve for x
    x = 5,566,464,137.95/112,019.78
  6. Step 6: Final answer
    x = 49,691.80

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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.