Home / 68,139.20-102,225.81-23,766.59

Finding the Fourth Proportional to 68,139.20, 102,225.81 and 23,766.59

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Solution

The fourth proportional to 68,139.20, 102,225.81 and 23,766.59 is: 35,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,139.20 : 102,225.81 = 23,766.59 : x
  2. Step 2: Convert to fraction form
    68,139.20/102,225.81 = 23,766.59/x
  3. Step 3: Cross multiply
    68,139.20x = 102,225.81 × 23,766.59
  4. Step 4: Simplify right side
    68,139.20x = 2,429,558,283.73
  5. Step 5: Solve for x
    x = 2,429,558,283.73/68,139.20
  6. Step 6: Final answer
    x = 35,655.81

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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.