Home / 95,131.35-131,282.23-57,398.31

Finding the Fourth Proportional to 95,131.35, 131,282.23 and 57,398.31

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Solution

The fourth proportional to 95,131.35, 131,282.23 and 57,398.31 is: 79,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,131.35 : 131,282.23 = 57,398.31 : x
  2. Step 2: Convert to fraction form
    95,131.35/131,282.23 = 57,398.31/x
  3. Step 3: Cross multiply
    95,131.35x = 131,282.23 × 57,398.31
  4. Step 4: Simplify right side
    95,131.35x = 7,535,378,135.03
  5. Step 5: Solve for x
    x = 7,535,378,135.03/95,131.35
  6. Step 6: Final answer
    x = 79,210.25

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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.