Home / 224,272.89-309,521.25-138,214.44

Finding the Fourth Proportional to 224,272.89, 309,521.25 and 138,214.44

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Solution

The fourth proportional to 224,272.89, 309,521.25 and 138,214.44 is: 190,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,272.89 : 309,521.25 = 138,214.44 : x
  2. Step 2: Convert to fraction form
    224,272.89/309,521.25 = 138,214.44/x
  3. Step 3: Cross multiply
    224,272.89x = 309,521.25 × 138,214.44
  4. Step 4: Simplify right side
    224,272.89x = 42,780,306,236.85
  5. Step 5: Solve for x
    x = 42,780,306,236.85/224,272.89
  6. Step 6: Final answer
    x = 190,751.13

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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.