Home / 127,181.36-175,069.82-109,945.78

Finding the Fourth Proportional to 127,181.36, 175,069.82 and 109,945.78

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Solution

The fourth proportional to 127,181.36, 175,069.82 and 109,945.78 is: 151,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,181.36 : 175,069.82 = 109,945.78 : x
  2. Step 2: Convert to fraction form
    127,181.36/175,069.82 = 109,945.78/x
  3. Step 3: Cross multiply
    127,181.36x = 175,069.82 × 109,945.78
  4. Step 4: Simplify right side
    127,181.36x = 19,248,187,751.55
  5. Step 5: Solve for x
    x = 19,248,187,751.55/127,181.36
  6. Step 6: Final answer
    x = 151,344.41

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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.