Home / 102,847.42-141,936.71-57,529.64

Finding the Fourth Proportional to 102,847.42, 141,936.71 and 57,529.64

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Solution

The fourth proportional to 102,847.42, 141,936.71 and 57,529.64 is: 79,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.42 : 141,936.71 = 57,529.64 : x
  2. Step 2: Convert to fraction form
    102,847.42/141,936.71 = 57,529.64/x
  3. Step 3: Cross multiply
    102,847.42x = 141,936.71 × 57,529.64
  4. Step 4: Simplify right side
    102,847.42x = 8,165,567,896.28
  5. Step 5: Solve for x
    x = 8,165,567,896.28/102,847.42
  6. Step 6: Final answer
    x = 79,394.97

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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.