Home / 136,025.25-204,039.69-47,280.43

Finding the Fourth Proportional to 136,025.25, 204,039.69 and 47,280.43

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Solution

The fourth proportional to 136,025.25, 204,039.69 and 47,280.43 is: 70,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,025.25 : 204,039.69 = 47,280.43 : x
  2. Step 2: Convert to fraction form
    136,025.25/204,039.69 = 47,280.43/x
  3. Step 3: Cross multiply
    136,025.25x = 204,039.69 × 47,280.43
  4. Step 4: Simplify right side
    136,025.25x = 9,647,084,280.27
  5. Step 5: Solve for x
    x = 9,647,084,280.27/136,025.25
  6. Step 6: Final answer
    x = 70,921.28

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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.