Home / 126,803.64-174,989.25-68,661.03

Finding the Fourth Proportional to 126,803.64, 174,989.25 and 68,661.03

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Solution

The fourth proportional to 126,803.64, 174,989.25 and 68,661.03 is: 94,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,803.64 : 174,989.25 = 68,661.03 : x
  2. Step 2: Convert to fraction form
    126,803.64/174,989.25 = 68,661.03/x
  3. Step 3: Cross multiply
    126,803.64x = 174,989.25 × 68,661.03
  4. Step 4: Simplify right side
    126,803.64x = 12,014,942,143.93
  5. Step 5: Solve for x
    x = 12,014,942,143.93/126,803.64
  6. Step 6: Final answer
    x = 94,752.34

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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.