Home / 114,638.82-171,992.40-54,712.29

Finding the Fourth Proportional to 114,638.82, 171,992.40 and 54,712.29

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Solution

The fourth proportional to 114,638.82, 171,992.40 and 54,712.29 is: 82,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,638.82 : 171,992.40 = 54,712.29 : x
  2. Step 2: Convert to fraction form
    114,638.82/171,992.40 = 54,712.29/x
  3. Step 3: Cross multiply
    114,638.82x = 171,992.40 × 54,712.29
  4. Step 4: Simplify right side
    114,638.82x = 9,410,098,066.60
  5. Step 5: Solve for x
    x = 9,410,098,066.60/114,638.82
  6. Step 6: Final answer
    x = 82,084.74

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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.