Home / 126,710.06-174,840.44-72,984.60

Finding the Fourth Proportional to 126,710.06, 174,840.44 and 72,984.60

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Solution

The fourth proportional to 126,710.06, 174,840.44 and 72,984.60 is: 100,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,710.06 : 174,840.44 = 72,984.60 : x
  2. Step 2: Convert to fraction form
    126,710.06/174,840.44 = 72,984.60/x
  3. Step 3: Cross multiply
    126,710.06x = 174,840.44 × 72,984.60
  4. Step 4: Simplify right side
    126,710.06x = 12,760,659,212.30
  5. Step 5: Solve for x
    x = 12,760,659,212.30/126,710.06
  6. Step 6: Final answer
    x = 100,707.55

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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.