Home / 180,788.72-271,185.82-68,438.77

Finding the Fourth Proportional to 180,788.72, 271,185.82 and 68,438.77

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Solution

The fourth proportional to 180,788.72, 271,185.82 and 68,438.77 is: 102,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,788.72 : 271,185.82 = 68,438.77 : x
  2. Step 2: Convert to fraction form
    180,788.72/271,185.82 = 68,438.77/x
  3. Step 3: Cross multiply
    180,788.72x = 271,185.82 × 68,438.77
  4. Step 4: Simplify right side
    180,788.72x = 18,559,623,962.24
  5. Step 5: Solve for x
    x = 18,559,623,962.24/180,788.72
  6. Step 6: Final answer
    x = 102,659.19

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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.