Home / 138,548.41-190,914.33-95,541.01

Finding the Fourth Proportional to 138,548.41, 190,914.33 and 95,541.01

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Solution

The fourth proportional to 138,548.41, 190,914.33 and 95,541.01 is: 131,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,548.41 : 190,914.33 = 95,541.01 : x
  2. Step 2: Convert to fraction form
    138,548.41/190,914.33 = 95,541.01/x
  3. Step 3: Cross multiply
    138,548.41x = 190,914.33 × 95,541.01
  4. Step 4: Simplify right side
    138,548.41x = 18,240,147,911.67
  5. Step 5: Solve for x
    x = 18,240,147,911.67/138,548.41
  6. Step 6: Final answer
    x = 131,651.80

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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.