Home / 127,232.12-190,913.79-52,407.56

Finding the Fourth Proportional to 127,232.12, 190,913.79 and 52,407.56

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Solution

The fourth proportional to 127,232.12, 190,913.79 and 52,407.56 is: 78,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,232.12 : 190,913.79 = 52,407.56 : x
  2. Step 2: Convert to fraction form
    127,232.12/190,913.79 = 52,407.56/x
  3. Step 3: Cross multiply
    127,232.12x = 190,913.79 × 52,407.56
  4. Step 4: Simplify right side
    127,232.12x = 10,005,324,949.68
  5. Step 5: Solve for x
    x = 10,005,324,949.68/127,232.12
  6. Step 6: Final answer
    x = 78,638.36

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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.