Home / 126,803.75-174,987.92-68,660.21

Finding the Fourth Proportional to 126,803.75, 174,987.92 and 68,660.21

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Solution

The fourth proportional to 126,803.75, 174,987.92 and 68,660.21 is: 94,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,803.75 : 174,987.92 = 68,660.21 : x
  2. Step 2: Convert to fraction form
    126,803.75/174,987.92 = 68,660.21/x
  3. Step 3: Cross multiply
    126,803.75x = 174,987.92 × 68,660.21
  4. Step 4: Simplify right side
    126,803.75x = 12,014,706,459.72
  5. Step 5: Solve for x
    x = 12,014,706,459.72/126,803.75
  6. Step 6: Final answer
    x = 94,750.40

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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.