Home / 155,940.44-215,144.94-127,210.43

Finding the Fourth Proportional to 155,940.44, 215,144.94 and 127,210.43

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Solution

The fourth proportional to 155,940.44, 215,144.94 and 127,210.43 is: 175,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,940.44 : 215,144.94 = 127,210.43 : x
  2. Step 2: Convert to fraction form
    155,940.44/215,144.94 = 127,210.43/x
  3. Step 3: Cross multiply
    155,940.44x = 215,144.94 × 127,210.43
  4. Step 4: Simplify right side
    155,940.44x = 27,368,680,329.72
  5. Step 5: Solve for x
    x = 27,368,680,329.72/155,940.44
  6. Step 6: Final answer
    x = 175,507.27

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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.