Home / 126,853.58-190,298.13-51,984.36

Finding the Fourth Proportional to 126,853.58, 190,298.13 and 51,984.36

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Solution

The fourth proportional to 126,853.58, 190,298.13 and 51,984.36 is: 77,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853.58 : 190,298.13 = 51,984.36 : x
  2. Step 2: Convert to fraction form
    126,853.58/190,298.13 = 51,984.36/x
  3. Step 3: Cross multiply
    126,853.58x = 190,298.13 × 51,984.36
  4. Step 4: Simplify right side
    126,853.58x = 9,892,526,972.99
  5. Step 5: Solve for x
    x = 9,892,526,972.99/126,853.58
  6. Step 6: Final answer
    x = 77,983.82

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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.