Home / 126,656.33-190,036.80-55,542.15

Finding the Fourth Proportional to 126,656.33, 190,036.80 and 55,542.15

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Solution

The fourth proportional to 126,656.33, 190,036.80 and 55,542.15 is: 83,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656.33 : 190,036.80 = 55,542.15 : x
  2. Step 2: Convert to fraction form
    126,656.33/190,036.80 = 55,542.15/x
  3. Step 3: Cross multiply
    126,656.33x = 190,036.80 × 55,542.15
  4. Step 4: Simplify right side
    126,656.33x = 10,555,052,451.12
  5. Step 5: Solve for x
    x = 10,555,052,451.12/126,656.33
  6. Step 6: Final answer
    x = 83,336.17

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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.