Home / 219,152.44-328,429.14-119,181.88

Finding the Fourth Proportional to 219,152.44, 328,429.14 and 119,181.88

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Solution

The fourth proportional to 219,152.44, 328,429.14 and 119,181.88 is: 178,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,152.44 : 328,429.14 = 119,181.88 : x
  2. Step 2: Convert to fraction form
    219,152.44/328,429.14 = 119,181.88/x
  3. Step 3: Cross multiply
    219,152.44x = 328,429.14 × 119,181.88
  4. Step 4: Simplify right side
    219,152.44x = 39,142,802,351.98
  5. Step 5: Solve for x
    x = 39,142,802,351.98/219,152.44
  6. Step 6: Final answer
    x = 178,609.93

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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.