Home / 204,859.20-307,288.80-134,000.40

Finding the Fourth Proportional to 204,859.20, 307,288.80 and 134,000.40

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Solution

The fourth proportional to 204,859.20, 307,288.80 and 134,000.40 is: 201,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,859.20 : 307,288.80 = 134,000.40 : x
  2. Step 2: Convert to fraction form
    204,859.20/307,288.80 = 134,000.40/x
  3. Step 3: Cross multiply
    204,859.20x = 307,288.80 × 134,000.40
  4. Step 4: Simplify right side
    204,859.20x = 41,176,822,115.52
  5. Step 5: Solve for x
    x = 41,176,822,115.52/204,859.20
  6. Step 6: Final answer
    x = 201,000.60

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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.