Home / 212,563.64-293,331.83-115,765.31

Finding the Fourth Proportional to 212,563.64, 293,331.83 and 115,765.31

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Solution

The fourth proportional to 212,563.64, 293,331.83 and 115,765.31 is: 159,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,563.64 : 293,331.83 = 115,765.31 : x
  2. Step 2: Convert to fraction form
    212,563.64/293,331.83 = 115,765.31/x
  3. Step 3: Cross multiply
    212,563.64x = 293,331.83 × 115,765.31
  4. Step 4: Simplify right side
    212,563.64x = 33,957,648,187.33
  5. Step 5: Solve for x
    x = 33,957,648,187.33/212,563.64
  6. Step 6: Final answer
    x = 159,752.86

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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.