Home / 208,325.79-312,527.57-68,182.83

Finding the Fourth Proportional to 208,325.79, 312,527.57 and 68,182.83

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Solution

The fourth proportional to 208,325.79, 312,527.57 and 68,182.83 is: 102,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,325.79 : 312,527.57 = 68,182.83 : x
  2. Step 2: Convert to fraction form
    208,325.79/312,527.57 = 68,182.83/x
  3. Step 3: Cross multiply
    208,325.79x = 312,527.57 × 68,182.83
  4. Step 4: Simplify right side
    208,325.79x = 21,309,013,834.71
  5. Step 5: Solve for x
    x = 21,309,013,834.71/208,325.79
  6. Step 6: Final answer
    x = 102,286.97

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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.