Home / 208,935.50-313,527.78-75,826.16

Finding the Fourth Proportional to 208,935.50, 313,527.78 and 75,826.16

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Solution

The fourth proportional to 208,935.50, 313,527.78 and 75,826.16 is: 113,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,935.50 : 313,527.78 = 75,826.16 : x
  2. Step 2: Convert to fraction form
    208,935.50/313,527.78 = 75,826.16/x
  3. Step 3: Cross multiply
    208,935.50x = 313,527.78 × 75,826.16
  4. Step 4: Simplify right side
    208,935.50x = 23,773,607,610.72
  5. Step 5: Solve for x
    x = 23,773,607,610.72/208,935.50
  6. Step 6: Final answer
    x = 113,784.43

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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.