Home / 204,887.20-307,330.80-134,028.40

Finding the Fourth Proportional to 204,887.20, 307,330.80 and 134,028.40

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Solution

The fourth proportional to 204,887.20, 307,330.80 and 134,028.40 is: 201,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,887.20 : 307,330.80 = 134,028.40 : x
  2. Step 2: Convert to fraction form
    204,887.20/307,330.80 = 134,028.40/x
  3. Step 3: Cross multiply
    204,887.20x = 307,330.80 × 134,028.40
  4. Step 4: Simplify right side
    204,887.20x = 41,191,055,394.72
  5. Step 5: Solve for x
    x = 41,191,055,394.72/204,887.20
  6. Step 6: Final answer
    x = 201,042.60

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1.5x scale

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.