Home / 216,926.10-325,336.68-83,721.42

Finding the Fourth Proportional to 216,926.10, 325,336.68 and 83,721.42

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Solution

The fourth proportional to 216,926.10, 325,336.68 and 83,721.42 is: 125,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,926.10 : 325,336.68 = 83,721.42 : x
  2. Step 2: Convert to fraction form
    216,926.10/325,336.68 = 83,721.42/x
  3. Step 3: Cross multiply
    216,926.10x = 325,336.68 × 83,721.42
  4. Step 4: Simplify right side
    216,926.10x = 27,237,648,827.69
  5. Step 5: Solve for x
    x = 27,237,648,827.69/216,926.10
  6. Step 6: Final answer
    x = 125,561.88

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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.