Home / 204,768.20-307,152.30-133,909.40

Finding the Fourth Proportional to 204,768.20, 307,152.30 and 133,909.40

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Solution

The fourth proportional to 204,768.20, 307,152.30 and 133,909.40 is: 200,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,768.20 : 307,152.30 = 133,909.40 : x
  2. Step 2: Convert to fraction form
    204,768.20/307,152.30 = 133,909.40/x
  3. Step 3: Cross multiply
    204,768.20x = 307,152.30 × 133,909.40
  4. Step 4: Simplify right side
    204,768.20x = 41,130,580,201.62
  5. Step 5: Solve for x
    x = 41,130,580,201.62/204,768.20
  6. Step 6: Final answer
    x = 200,864.10

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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.