Home / 68,192.64-102,332.94-28,749.96

Finding the Fourth Proportional to 68,192.64, 102,332.94 and 28,749.96

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Solution

The fourth proportional to 68,192.64, 102,332.94 and 28,749.96 is: 43,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.64 : 102,332.94 = 28,749.96 : x
  2. Step 2: Convert to fraction form
    68,192.64/102,332.94 = 28,749.96/x
  3. Step 3: Cross multiply
    68,192.64x = 102,332.94 × 28,749.96
  4. Step 4: Simplify right side
    68,192.64x = 2,942,067,931.68
  5. Step 5: Solve for x
    x = 2,942,067,931.68/68,192.64
  6. Step 6: Final answer
    x = 43,143.48

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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.