Home / 126,955.38-190,268.14-51,990.49

Finding the Fourth Proportional to 126,955.38, 190,268.14 and 51,990.49

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Solution

The fourth proportional to 126,955.38, 190,268.14 and 51,990.49 is: 77,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,955.38 : 190,268.14 = 51,990.49 : x
  2. Step 2: Convert to fraction form
    126,955.38/190,268.14 = 51,990.49/x
  3. Step 3: Cross multiply
    126,955.38x = 190,268.14 × 51,990.49
  4. Step 4: Simplify right side
    126,955.38x = 9,892,133,829.99
  5. Step 5: Solve for x
    x = 9,892,133,829.99/126,955.38
  6. Step 6: Final answer
    x = 77,918.19

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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.