Home / 215,389.50-297,232.60-134,861.44

Finding the Fourth Proportional to 215,389.50, 297,232.60 and 134,861.44

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Solution

The fourth proportional to 215,389.50, 297,232.60 and 134,861.44 is: 186,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,389.50 : 297,232.60 = 134,861.44 : x
  2. Step 2: Convert to fraction form
    215,389.50/297,232.60 = 134,861.44/x
  3. Step 3: Cross multiply
    215,389.50x = 297,232.60 × 134,861.44
  4. Step 4: Simplify right side
    215,389.50x = 40,085,216,450.94
  5. Step 5: Solve for x
    x = 40,085,216,450.94/215,389.50
  6. Step 6: Final answer
    x = 186,105.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.