Home / 215,799.45-323,746.58-66,051.29

Finding the Fourth Proportional to 215,799.45, 323,746.58 and 66,051.29

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Solution

The fourth proportional to 215,799.45, 323,746.58 and 66,051.29 is: 99,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,799.45 : 323,746.58 = 66,051.29 : x
  2. Step 2: Convert to fraction form
    215,799.45/323,746.58 = 66,051.29/x
  3. Step 3: Cross multiply
    215,799.45x = 323,746.58 × 66,051.29
  4. Step 4: Simplify right side
    215,799.45x = 21,383,877,850.41
  5. Step 5: Solve for x
    x = 21,383,877,850.41/215,799.45
  6. Step 6: Final answer
    x = 99,091.44

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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.