Home / 126,594.20-174,721.48-72,910.30

Finding the Fourth Proportional to 126,594.20, 174,721.48 and 72,910.30

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Solution

The fourth proportional to 126,594.20, 174,721.48 and 72,910.30 is: 100,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,594.20 : 174,721.48 = 72,910.30 : x
  2. Step 2: Convert to fraction form
    126,594.20/174,721.48 = 72,910.30/x
  3. Step 3: Cross multiply
    126,594.20x = 174,721.48 × 72,910.30
  4. Step 4: Simplify right side
    126,594.20x = 12,738,994,685.76
  5. Step 5: Solve for x
    x = 12,738,994,685.76/126,594.20
  6. Step 6: Final answer
    x = 100,628.58

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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.