Home / 102,983.94-142,110.96-57,654.27

Finding the Fourth Proportional to 102,983.94, 142,110.96 and 57,654.27

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Solution

The fourth proportional to 102,983.94, 142,110.96 and 57,654.27 is: 79,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,983.94 : 142,110.96 = 57,654.27 : x
  2. Step 2: Convert to fraction form
    102,983.94/142,110.96 = 57,654.27/x
  3. Step 3: Cross multiply
    102,983.94x = 142,110.96 × 57,654.27
  4. Step 4: Simplify right side
    102,983.94x = 8,193,303,657.80
  5. Step 5: Solve for x
    x = 8,193,303,657.80/102,983.94
  6. Step 6: Final answer
    x = 79,559.04

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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.