Home / 136,247.79-204,076.31-65,979.75

Finding the Fourth Proportional to 136,247.79, 204,076.31 and 65,979.75

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Solution

The fourth proportional to 136,247.79, 204,076.31 and 65,979.75 is: 98,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,247.79 : 204,076.31 = 65,979.75 : x
  2. Step 2: Convert to fraction form
    136,247.79/204,076.31 = 65,979.75/x
  3. Step 3: Cross multiply
    136,247.79x = 204,076.31 × 65,979.75
  4. Step 4: Simplify right side
    136,247.79x = 13,464,903,584.82
  5. Step 5: Solve for x
    x = 13,464,903,584.82/136,247.79
  6. Step 6: Final answer
    x = 98,826.58

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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.