Home / 127,179.94-175,508.42-76,222.26

Finding the Fourth Proportional to 127,179.94, 175,508.42 and 76,222.26

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Solution

The fourth proportional to 127,179.94, 175,508.42 and 76,222.26 is: 105,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,179.94 : 175,508.42 = 76,222.26 : x
  2. Step 2: Convert to fraction form
    127,179.94/175,508.42 = 76,222.26/x
  3. Step 3: Cross multiply
    127,179.94x = 175,508.42 × 76,222.26
  4. Step 4: Simplify right side
    127,179.94x = 13,377,648,421.43
  5. Step 5: Solve for x
    x = 13,377,648,421.43/127,179.94
  6. Step 6: Final answer
    x = 105,186.78

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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.