Home / 112,120.73-168,177.44-45,541.16

Finding the Fourth Proportional to 112,120.73, 168,177.44 and 45,541.16

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Solution

The fourth proportional to 112,120.73, 168,177.44 and 45,541.16 is: 68,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120.73 : 168,177.44 = 45,541.16 : x
  2. Step 2: Convert to fraction form
    112,120.73/168,177.44 = 45,541.16/x
  3. Step 3: Cross multiply
    112,120.73x = 168,177.44 × 45,541.16
  4. Step 4: Simplify right side
    112,120.73x = 7,658,994,976.40
  5. Step 5: Solve for x
    x = 7,658,994,976.40/112,120.73
  6. Step 6: Final answer
    x = 68,310.25

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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.