Home / 221,025.60-331,581.60-87,883.20

Finding the Fourth Proportional to 221,025.60, 331,581.60 and 87,883.20

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Solution

The fourth proportional to 221,025.60, 331,581.60 and 87,883.20 is: 131,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,025.60 : 331,581.60 = 87,883.20 : x
  2. Step 2: Convert to fraction form
    221,025.60/331,581.60 = 87,883.20/x
  3. Step 3: Cross multiply
    221,025.60x = 331,581.60 × 87,883.20
  4. Step 4: Simplify right side
    221,025.60x = 29,140,452,069.12
  5. Step 5: Solve for x
    x = 29,140,452,069.12/221,025.60
  6. Step 6: Final answer
    x = 131,841.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.