Home / 224,274.39-309,523.32-138,215.94

Finding the Fourth Proportional to 224,274.39, 309,523.32 and 138,215.94

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Solution

The fourth proportional to 224,274.39, 309,523.32 and 138,215.94 is: 190,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,274.39 : 309,523.32 = 138,215.94 : x
  2. Step 2: Convert to fraction form
    224,274.39/309,523.32 = 138,215.94/x
  3. Step 3: Cross multiply
    224,274.39x = 309,523.32 × 138,215.94
  4. Step 4: Simplify right side
    224,274.39x = 42,781,056,625.72
  5. Step 5: Solve for x
    x = 42,781,056,625.72/224,274.39
  6. Step 6: Final answer
    x = 190,753.20

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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.