Home / 214,990.82-296,690.65-118,198.87

Finding the Fourth Proportional to 214,990.82, 296,690.65 and 118,198.87

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Solution

The fourth proportional to 214,990.82, 296,690.65 and 118,198.87 is: 163,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,990.82 : 296,690.65 = 118,198.87 : x
  2. Step 2: Convert to fraction form
    214,990.82/296,690.65 = 118,198.87/x
  3. Step 3: Cross multiply
    214,990.82x = 296,690.65 × 118,198.87
  4. Step 4: Simplify right side
    214,990.82x = 35,068,498,532.34
  5. Step 5: Solve for x
    x = 35,068,498,532.34/214,990.82
  6. Step 6: Final answer
    x = 163,116.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.