Home / 211,017.60-316,576.75-68,863.14

Finding the Fourth Proportional to 211,017.60, 316,576.75 and 68,863.14

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Solution

The fourth proportional to 211,017.60, 316,576.75 and 68,863.14 is: 103,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,017.60 : 316,576.75 = 68,863.14 : x
  2. Step 2: Convert to fraction form
    211,017.60/316,576.75 = 68,863.14/x
  3. Step 3: Cross multiply
    211,017.60x = 316,576.75 × 68,863.14
  4. Step 4: Simplify right side
    211,017.60x = 21,800,469,056.00
  5. Step 5: Solve for x
    x = 21,800,469,056.00/211,017.60
  6. Step 6: Final answer
    x = 103,311.14

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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.