Home / 264,106.59-396,195.17-77,115.39

Finding the Fourth Proportional to 264,106.59, 396,195.17 and 77,115.39

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Solution

The fourth proportional to 264,106.59, 396,195.17 and 77,115.39 is: 115,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,106.59 : 396,195.17 = 77,115.39 : x
  2. Step 2: Convert to fraction form
    264,106.59/396,195.17 = 77,115.39/x
  3. Step 3: Cross multiply
    264,106.59x = 396,195.17 × 77,115.39
  4. Step 4: Simplify right side
    264,106.59x = 30,552,744,665.09
  5. Step 5: Solve for x
    x = 30,552,744,665.09/264,106.59
  6. Step 6: Final answer
    x = 115,683.39

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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.