Home / 81,527.94-122,186.61-36,516.39

Finding the Fourth Proportional to 81,527.94, 122,186.61 and 36,516.39

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Solution

The fourth proportional to 81,527.94, 122,186.61 and 36,516.39 is: 54,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,527.94 : 122,186.61 = 36,516.39 : x
  2. Step 2: Convert to fraction form
    81,527.94/122,186.61 = 36,516.39/x
  3. Step 3: Cross multiply
    81,527.94x = 122,186.61 × 36,516.39
  4. Step 4: Simplify right side
    81,527.94x = 4,461,813,903.54
  5. Step 5: Solve for x
    x = 4,461,813,903.54/81,527.94
  6. Step 6: Final answer
    x = 54,727.42

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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.