Home / 136,276.41-188,059.56-75,847.04

Finding the Fourth Proportional to 136,276.41, 188,059.56 and 75,847.04

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Solution

The fourth proportional to 136,276.41, 188,059.56 and 75,847.04 is: 104,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,276.41 : 188,059.56 = 75,847.04 : x
  2. Step 2: Convert to fraction form
    136,276.41/188,059.56 = 75,847.04/x
  3. Step 3: Cross multiply
    136,276.41x = 188,059.56 × 75,847.04
  4. Step 4: Simplify right side
    136,276.41x = 14,263,760,029.40
  5. Step 5: Solve for x
    x = 14,263,760,029.40/136,276.41
  6. Step 6: Final answer
    x = 104,667.86

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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.