Home / 112,617.87-168,973.89-49,405.38

Finding the Fourth Proportional to 112,617.87, 168,973.89 and 49,405.38

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Solution

The fourth proportional to 112,617.87, 168,973.89 and 49,405.38 is: 74,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,617.87 : 168,973.89 = 49,405.38 : x
  2. Step 2: Convert to fraction form
    112,617.87/168,973.89 = 49,405.38/x
  3. Step 3: Cross multiply
    112,617.87x = 168,973.89 × 49,405.38
  4. Step 4: Simplify right side
    112,617.87x = 8,348,219,245.53
  5. Step 5: Solve for x
    x = 8,348,219,245.53/112,617.87
  6. Step 6: Final answer
    x = 74,128.73

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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.