Home / 112,181.93-168,268.23-45,619.50

Finding the Fourth Proportional to 112,181.93, 168,268.23 and 45,619.50

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Solution

The fourth proportional to 112,181.93, 168,268.23 and 45,619.50 is: 68,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.93 : 168,268.23 = 45,619.50 : x
  2. Step 2: Convert to fraction form
    112,181.93/168,268.23 = 45,619.50/x
  3. Step 3: Cross multiply
    112,181.93x = 168,268.23 × 45,619.50
  4. Step 4: Simplify right side
    112,181.93x = 7,676,312,518.49
  5. Step 5: Solve for x
    x = 7,676,312,518.49/112,181.93
  6. Step 6: Final answer
    x = 68,427.35

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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.