Home / 252,023.60-347,788.68-138,850.40

Finding the Fourth Proportional to 252,023.60, 347,788.68 and 138,850.40

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Solution

The fourth proportional to 252,023.60, 347,788.68 and 138,850.40 is: 191,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,023.60 : 347,788.68 = 138,850.40 : x
  2. Step 2: Convert to fraction form
    252,023.60/347,788.68 = 138,850.40/x
  3. Step 3: Cross multiply
    252,023.60x = 347,788.68 × 138,850.40
  4. Step 4: Simplify right side
    252,023.60x = 48,290,597,333.47
  5. Step 5: Solve for x
    x = 48,290,597,333.47/252,023.60
  6. Step 6: Final answer
    x = 191,611.41

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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.