Home / 126,664.24-190,143.60-74,111.44

Finding the Fourth Proportional to 126,664.24, 190,143.60 and 74,111.44

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Solution

The fourth proportional to 126,664.24, 190,143.60 and 74,111.44 is: 111,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,664.24 : 190,143.60 = 74,111.44 : x
  2. Step 2: Convert to fraction form
    126,664.24/190,143.60 = 74,111.44/x
  3. Step 3: Cross multiply
    126,664.24x = 190,143.60 × 74,111.44
  4. Step 4: Simplify right side
    126,664.24x = 14,091,816,002.78
  5. Step 5: Solve for x
    x = 14,091,816,002.78/126,664.24
  6. Step 6: Final answer
    x = 111,253.31

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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.