Home / 126,905.61-190,382.45-51,010.07

Finding the Fourth Proportional to 126,905.61, 190,382.45 and 51,010.07

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Solution

The fourth proportional to 126,905.61, 190,382.45 and 51,010.07 is: 76,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,905.61 : 190,382.45 = 51,010.07 : x
  2. Step 2: Convert to fraction form
    126,905.61/190,382.45 = 51,010.07/x
  3. Step 3: Cross multiply
    126,905.61x = 190,382.45 × 51,010.07
  4. Step 4: Simplify right side
    126,905.61x = 9,711,422,101.27
  5. Step 5: Solve for x
    x = 9,711,422,101.27/126,905.61
  6. Step 6: Final answer
    x = 76,524.77

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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.