Home / 110,977.49-153,112.80-67,912.05

Finding the Fourth Proportional to 110,977.49, 153,112.80 and 67,912.05

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Solution

The fourth proportional to 110,977.49, 153,112.80 and 67,912.05 is: 93,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,977.49 : 153,112.80 = 67,912.05 : x
  2. Step 2: Convert to fraction form
    110,977.49/153,112.80 = 67,912.05/x
  3. Step 3: Cross multiply
    110,977.49x = 153,112.80 × 67,912.05
  4. Step 4: Simplify right side
    110,977.49x = 10,398,203,427.44
  5. Step 5: Solve for x
    x = 10,398,203,427.44/110,977.49
  6. Step 6: Final answer
    x = 93,696.51

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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.