Home / 224,541.44-309,859.20-123,939.20

Finding the Fourth Proportional to 224,541.44, 309,859.20 and 123,939.20

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Solution

The fourth proportional to 224,541.44, 309,859.20 and 123,939.20 is: 171,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,541.44 : 309,859.20 = 123,939.20 : x
  2. Step 2: Convert to fraction form
    224,541.44/309,859.20 = 123,939.20/x
  3. Step 3: Cross multiply
    224,541.44x = 309,859.20 × 123,939.20
  4. Step 4: Simplify right side
    224,541.44x = 38,403,701,360.64
  5. Step 5: Solve for x
    x = 38,403,701,360.64/224,541.44
  6. Step 6: Final answer
    x = 171,031.69

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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.