Home / 212,464.72-293,205.07-115,671.39

Finding the Fourth Proportional to 212,464.72, 293,205.07 and 115,671.39

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Solution

The fourth proportional to 212,464.72, 293,205.07 and 115,671.39 is: 159,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,464.72 : 293,205.07 = 115,671.39 : x
  2. Step 2: Convert to fraction form
    212,464.72/293,205.07 = 115,671.39/x
  3. Step 3: Cross multiply
    212,464.72x = 293,205.07 × 115,671.39
  4. Step 4: Simplify right side
    212,464.72x = 33,915,437,996.71
  5. Step 5: Solve for x
    x = 33,915,437,996.71/212,464.72
  6. Step 6: Final answer
    x = 159,628.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.