Home / 126,941.43-175,173.01-73,243.78

Finding the Fourth Proportional to 126,941.43, 175,173.01 and 73,243.78

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Solution

The fourth proportional to 126,941.43, 175,173.01 and 73,243.78 is: 101,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,941.43 : 175,173.01 = 73,243.78 : x
  2. Step 2: Convert to fraction form
    126,941.43/175,173.01 = 73,243.78/x
  3. Step 3: Cross multiply
    126,941.43x = 175,173.01 × 73,243.78
  4. Step 4: Simplify right side
    126,941.43x = 12,830,333,406.38
  5. Step 5: Solve for x
    x = 12,830,333,406.38/126,941.43
  6. Step 6: Final answer
    x = 101,072.86

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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.