Home / 134,920.09-202,379.82-54,991.32

Finding the Fourth Proportional to 134,920.09, 202,379.82 and 54,991.32

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Solution

The fourth proportional to 134,920.09, 202,379.82 and 54,991.32 is: 82,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.09 : 202,379.82 = 54,991.32 : x
  2. Step 2: Convert to fraction form
    134,920.09/202,379.82 = 54,991.32/x
  3. Step 3: Cross multiply
    134,920.09x = 202,379.82 × 54,991.32
  4. Step 4: Simplify right side
    134,920.09x = 11,129,133,443.16
  5. Step 5: Solve for x
    x = 11,129,133,443.16/134,920.09
  6. Step 6: Final answer
    x = 82,486.85

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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.