Home / 126,721.44-174,914.56-73,042.34

Finding the Fourth Proportional to 126,721.44, 174,914.56 and 73,042.34

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Solution

The fourth proportional to 126,721.44, 174,914.56 and 73,042.34 is: 100,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,721.44 : 174,914.56 = 73,042.34 : x
  2. Step 2: Convert to fraction form
    126,721.44/174,914.56 = 73,042.34/x
  3. Step 3: Cross multiply
    126,721.44x = 174,914.56 × 73,042.34
  4. Step 4: Simplify right side
    126,721.44x = 12,776,168,762.47
  5. Step 5: Solve for x
    x = 12,776,168,762.47/126,721.44
  6. Step 6: Final answer
    x = 100,820.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.