Home / 136,426.41-188,274.12-75,997.04

Finding the Fourth Proportional to 136,426.41, 188,274.12 and 75,997.04

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Solution

The fourth proportional to 136,426.41, 188,274.12 and 75,997.04 is: 104,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,426.41 : 188,274.12 = 75,997.04 : x
  2. Step 2: Convert to fraction form
    136,426.41/188,274.12 = 75,997.04/x
  3. Step 3: Cross multiply
    136,426.41x = 188,274.12 × 75,997.04
  4. Step 4: Simplify right side
    136,426.41x = 14,308,275,097.75
  5. Step 5: Solve for x
    x = 14,308,275,097.75/136,426.41
  6. Step 6: Final answer
    x = 104,879.07

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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.