Home / 127,968.40-191,439.92-110,625.04

Finding the Fourth Proportional to 127,968.40, 191,439.92 and 110,625.04

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Solution

The fourth proportional to 127,968.40, 191,439.92 and 110,625.04 is: 165,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,968.40 : 191,439.92 = 110,625.04 : x
  2. Step 2: Convert to fraction form
    127,968.40/191,439.92 = 110,625.04/x
  3. Step 3: Cross multiply
    127,968.40x = 191,439.92 × 110,625.04
  4. Step 4: Simplify right side
    127,968.40x = 21,178,048,807.60
  5. Step 5: Solve for x
    x = 21,178,048,807.60/127,968.40
  6. Step 6: Final answer
    x = 165,494.36

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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.