Home / 126,821.43-175,011.44-70,231.59

Finding the Fourth Proportional to 126,821.43, 175,011.44 and 70,231.59

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Solution

The fourth proportional to 126,821.43, 175,011.44 and 70,231.59 is: 96,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,821.43 : 175,011.44 = 70,231.59 : x
  2. Step 2: Convert to fraction form
    126,821.43/175,011.44 = 70,231.59/x
  3. Step 3: Cross multiply
    126,821.43x = 175,011.44 × 70,231.59
  4. Step 4: Simplify right side
    126,821.43x = 12,291,331,348.23
  5. Step 5: Solve for x
    x = 12,291,331,348.23/126,821.43
  6. Step 6: Final answer
    x = 96,918.41

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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.