Home / 219,741.80-329,612.70-61,968.20

Finding the Fourth Proportional to 219,741.80, 329,612.70 and 61,968.20

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Solution

The fourth proportional to 219,741.80, 329,612.70 and 61,968.20 is: 92,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,741.80 : 329,612.70 = 61,968.20 : x
  2. Step 2: Convert to fraction form
    219,741.80/329,612.70 = 61,968.20/x
  3. Step 3: Cross multiply
    219,741.80x = 329,612.70 × 61,968.20
  4. Step 4: Simplify right side
    219,741.80x = 20,425,505,716.14
  5. Step 5: Solve for x
    x = 20,425,505,716.14/219,741.80
  6. Step 6: Final answer
    x = 92,952.30

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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.