Home / 212,017-292,408.20-143,922.04

Finding the Fourth Proportional to 212,017, 292,408.20 and 143,922.04

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Solution

The fourth proportional to 212,017, 292,408.20 and 143,922.04 is: 198,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,017 : 292,408.20 = 143,922.04 : x
  2. Step 2: Convert to fraction form
    212,017/292,408.20 = 143,922.04/x
  3. Step 3: Cross multiply
    212,017x = 292,408.20 × 143,922.04
  4. Step 4: Simplify right side
    212,017x = 42,083,984,656.73
  5. Step 5: Solve for x
    x = 42,083,984,656.73/212,017
  6. Step 6: Final answer
    x = 198,493.44

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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.