Home / 127,999.32-192,026.28-49,112.88

Finding the Fourth Proportional to 127,999.32, 192,026.28 and 49,112.88

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Solution

The fourth proportional to 127,999.32, 192,026.28 and 49,112.88 is: 73,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,999.32 : 192,026.28 = 49,112.88 : x
  2. Step 2: Convert to fraction form
    127,999.32/192,026.28 = 49,112.88/x
  3. Step 3: Cross multiply
    127,999.32x = 192,026.28 × 49,112.88
  4. Step 4: Simplify right side
    127,999.32x = 9,430,963,646.49
  5. Step 5: Solve for x
    x = 9,430,963,646.49/127,999.32
  6. Step 6: Final answer
    x = 73,679.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.