Home / 230,243.20-344,673.60-136,700.80

Finding the Fourth Proportional to 230,243.20, 344,673.60 and 136,700.80

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Solution

The fourth proportional to 230,243.20, 344,673.60 and 136,700.80 is: 204,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,243.20 : 344,673.60 = 136,700.80 : x
  2. Step 2: Convert to fraction form
    230,243.20/344,673.60 = 136,700.80/x
  3. Step 3: Cross multiply
    230,243.20x = 344,673.60 × 136,700.80
  4. Step 4: Simplify right side
    230,243.20x = 47,117,156,858.88
  5. Step 5: Solve for x
    x = 47,117,156,858.88/230,243.20
  6. Step 6: Final answer
    x = 204,640.82

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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.