Home / 135,257.91-202,755.01-56,394.69

Finding the Fourth Proportional to 135,257.91, 202,755.01 and 56,394.69

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Solution

The fourth proportional to 135,257.91, 202,755.01 and 56,394.69 is: 84,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,257.91 : 202,755.01 = 56,394.69 : x
  2. Step 2: Convert to fraction form
    135,257.91/202,755.01 = 56,394.69/x
  3. Step 3: Cross multiply
    135,257.91x = 202,755.01 × 56,394.69
  4. Step 4: Simplify right side
    135,257.91x = 11,434,305,139.32
  5. Step 5: Solve for x
    x = 11,434,305,139.32/135,257.91
  6. Step 6: Final answer
    x = 84,537.06

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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.