Home / 126,982.77-175,200.75-100,041.77

Finding the Fourth Proportional to 126,982.77, 175,200.75 and 100,041.77

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Solution

The fourth proportional to 126,982.77, 175,200.75 and 100,041.77 is: 138,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982.77 : 175,200.75 = 100,041.77 : x
  2. Step 2: Convert to fraction form
    126,982.77/175,200.75 = 100,041.77/x
  3. Step 3: Cross multiply
    126,982.77x = 175,200.75 × 100,041.77
  4. Step 4: Simplify right side
    126,982.77x = 17,527,392,259.32
  5. Step 5: Solve for x
    x = 17,527,392,259.32/126,982.77
  6. Step 6: Final answer
    x = 138,029.69

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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.