Home / 126,898.64-175,138.77-73,173.16

Finding the Fourth Proportional to 126,898.64, 175,138.77 and 73,173.16

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Solution

The fourth proportional to 126,898.64, 175,138.77 and 73,173.16 is: 100,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,898.64 : 175,138.77 = 73,173.16 : x
  2. Step 2: Convert to fraction form
    126,898.64/175,138.77 = 73,173.16/x
  3. Step 3: Cross multiply
    126,898.64x = 175,138.77 × 73,173.16
  4. Step 4: Simplify right side
    126,898.64x = 12,815,457,239.41
  5. Step 5: Solve for x
    x = 12,815,457,239.41/126,898.64
  6. Step 6: Final answer
    x = 100,989.71

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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.