Home / 355,847.11-533,427.75-131,084.68

Finding the Fourth Proportional to 355,847.11, 533,427.75 and 131,084.68

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Solution

The fourth proportional to 355,847.11, 533,427.75 and 131,084.68 is: 196,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,847.11 : 533,427.75 = 131,084.68 : x
  2. Step 2: Convert to fraction form
    355,847.11/533,427.75 = 131,084.68/x
  3. Step 3: Cross multiply
    355,847.11x = 533,427.75 × 131,084.68
  4. Step 4: Simplify right side
    355,847.11x = 69,924,205,947.15
  5. Step 5: Solve for x
    x = 69,924,205,947.15/355,847.11
  6. Step 6: Final answer
    x = 196,500.70

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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.