Home / 98,182.26-135,496.80-57,919.59

Finding the Fourth Proportional to 98,182.26, 135,496.80 and 57,919.59

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Solution

The fourth proportional to 98,182.26, 135,496.80 and 57,919.59 is: 79,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.26 : 135,496.80 = 57,919.59 : x
  2. Step 2: Convert to fraction form
    98,182.26/135,496.80 = 57,919.59/x
  3. Step 3: Cross multiply
    98,182.26x = 135,496.80 × 57,919.59
  4. Step 4: Simplify right side
    98,182.26x = 7,847,919,102.31
  5. Step 5: Solve for x
    x = 7,847,919,102.31/98,182.26
  6. Step 6: Final answer
    x = 79,932.15

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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.