Home / 103,827.44-143,260.44-66,087.92

Finding the Fourth Proportional to 103,827.44, 143,260.44 and 66,087.92

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Solution

The fourth proportional to 103,827.44, 143,260.44 and 66,087.92 is: 91,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,827.44 : 143,260.44 = 66,087.92 : x
  2. Step 2: Convert to fraction form
    103,827.44/143,260.44 = 66,087.92/x
  3. Step 3: Cross multiply
    103,827.44x = 143,260.44 × 66,087.92
  4. Step 4: Simplify right side
    103,827.44x = 9,467,784,497.88
  5. Step 5: Solve for x
    x = 9,467,784,497.88/103,827.44
  6. Step 6: Final answer
    x = 91,187.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.