Home / 87,195.96-119,546.69-85,621.32

Finding the Fourth Proportional to 87,195.96, 119,546.69 and 85,621.32

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Solution

The fourth proportional to 87,195.96, 119,546.69 and 85,621.32 is: 117,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.96 : 119,546.69 = 85,621.32 : x
  2. Step 2: Convert to fraction form
    87,195.96/119,546.69 = 85,621.32/x
  3. Step 3: Cross multiply
    87,195.96x = 119,546.69 × 85,621.32
  4. Step 4: Simplify right side
    87,195.96x = 10,235,744,971.32
  5. Step 5: Solve for x
    x = 10,235,744,971.32/87,195.96
  6. Step 6: Final answer
    x = 117,387.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.