Home / 224,434.08-309,718.89-143,861.54

Finding the Fourth Proportional to 224,434.08, 309,718.89 and 143,861.54

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Solution

The fourth proportional to 224,434.08, 309,718.89 and 143,861.54 is: 198,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,434.08 : 309,718.89 = 143,861.54 : x
  2. Step 2: Convert to fraction form
    224,434.08/309,718.89 = 143,861.54/x
  3. Step 3: Cross multiply
    224,434.08x = 309,718.89 × 143,861.54
  4. Step 4: Simplify right side
    224,434.08x = 44,556,634,933.90
  5. Step 5: Solve for x
    x = 44,556,634,933.90/224,434.08
  6. Step 6: Final answer
    x = 198,528.83

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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.