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Finding the Fourth Proportional to 132,899.58, 199,349.10 and 53,995.32

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Solution

The fourth proportional to 132,899.58, 199,349.10 and 53,995.32 is: 80,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899.58 : 199,349.10 = 53,995.32 : x
  2. Step 2: Convert to fraction form
    132,899.58/199,349.10 = 53,995.32/x
  3. Step 3: Cross multiply
    132,899.58x = 199,349.10 × 53,995.32
  4. Step 4: Simplify right side
    132,899.58x = 10,763,918,446.21
  5. Step 5: Solve for x
    x = 10,763,918,446.21/132,899.58
  6. Step 6: Final answer
    x = 80,992.87

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1.5x scale

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.