Home / 127,190.92-190,973.76-71,140.84

Finding the Fourth Proportional to 127,190.92, 190,973.76 and 71,140.84

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Solution

The fourth proportional to 127,190.92, 190,973.76 and 71,140.84 is: 106,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190.92 : 190,973.76 = 71,140.84 : x
  2. Step 2: Convert to fraction form
    127,190.92/190,973.76 = 71,140.84/x
  3. Step 3: Cross multiply
    127,190.92x = 190,973.76 × 71,140.84
  4. Step 4: Simplify right side
    127,190.92x = 13,586,033,704.36
  5. Step 5: Solve for x
    x = 13,586,033,704.36/127,190.92
  6. Step 6: Final answer
    x = 106,816.07

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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.