Home / 112,139.90-168,181.19-33,235.70

Finding the Fourth Proportional to 112,139.90, 168,181.19 and 33,235.70

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Solution

The fourth proportional to 112,139.90, 168,181.19 and 33,235.70 is: 49,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,139.90 : 168,181.19 = 33,235.70 : x
  2. Step 2: Convert to fraction form
    112,139.90/168,181.19 = 33,235.70/x
  3. Step 3: Cross multiply
    112,139.90x = 168,181.19 × 33,235.70
  4. Step 4: Simplify right side
    112,139.90x = 5,589,618,569.40
  5. Step 5: Solve for x
    x = 5,589,618,569.40/112,139.90
  6. Step 6: Final answer
    x = 49,845.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.