Home / 136,647.30-204,970.05-63,609.78

Finding the Fourth Proportional to 136,647.30, 204,970.05 and 63,609.78

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Solution

The fourth proportional to 136,647.30, 204,970.05 and 63,609.78 is: 95,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,647.30 : 204,970.05 = 63,609.78 : x
  2. Step 2: Convert to fraction form
    136,647.30/204,970.05 = 63,609.78/x
  3. Step 3: Cross multiply
    136,647.30x = 204,970.05 × 63,609.78
  4. Step 4: Simplify right side
    136,647.30x = 13,038,099,787.09
  5. Step 5: Solve for x
    x = 13,038,099,787.09/136,647.30
  6. Step 6: Final answer
    x = 95,414.25

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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.