Home / 126,960.21-175,198.34-73,242.02

Finding the Fourth Proportional to 126,960.21, 175,198.34 and 73,242.02

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Solution

The fourth proportional to 126,960.21, 175,198.34 and 73,242.02 is: 101,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,960.21 : 175,198.34 = 73,242.02 : x
  2. Step 2: Convert to fraction form
    126,960.21/175,198.34 = 73,242.02/x
  3. Step 3: Cross multiply
    126,960.21x = 175,198.34 × 73,242.02
  4. Step 4: Simplify right side
    126,960.21x = 12,831,880,943.35
  5. Step 5: Solve for x
    x = 12,831,880,943.35/126,960.21
  6. Step 6: Final answer
    x = 101,070.10

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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.