Home / 81,487.83-122,249.07-25,326.59

Finding the Fourth Proportional to 81,487.83, 122,249.07 and 25,326.59

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Solution

The fourth proportional to 81,487.83, 122,249.07 and 25,326.59 is: 37,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,487.83 : 122,249.07 = 25,326.59 : x
  2. Step 2: Convert to fraction form
    81,487.83/122,249.07 = 25,326.59/x
  3. Step 3: Cross multiply
    81,487.83x = 122,249.07 × 25,326.59
  4. Step 4: Simplify right side
    81,487.83x = 3,096,151,462.53
  5. Step 5: Solve for x
    x = 3,096,151,462.53/81,487.83
  6. Step 6: Final answer
    x = 37,995.26

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1.5x scale

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.