Home / 126,850.77-190,305.36-38,106

Finding the Fourth Proportional to 126,850.77, 190,305.36 and 38,106

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Solution

The fourth proportional to 126,850.77, 190,305.36 and 38,106 is: 57,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,850.77 : 190,305.36 = 38,106 : x
  2. Step 2: Convert to fraction form
    126,850.77/190,305.36 = 38,106/x
  3. Step 3: Cross multiply
    126,850.77x = 190,305.36 × 38,106
  4. Step 4: Simplify right side
    126,850.77x = 7,251,776,048.16
  5. Step 5: Solve for x
    x = 7,251,776,048.16/126,850.77
  6. Step 6: Final answer
    x = 57,167.77

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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.