Home / 132,807.08-199,279.74-53,979.56

Finding the Fourth Proportional to 132,807.08, 199,279.74 and 53,979.56

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Solution

The fourth proportional to 132,807.08, 199,279.74 and 53,979.56 is: 80,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,807.08 : 199,279.74 = 53,979.56 : x
  2. Step 2: Convert to fraction form
    132,807.08/199,279.74 = 53,979.56/x
  3. Step 3: Cross multiply
    132,807.08x = 199,279.74 × 53,979.56
  4. Step 4: Simplify right side
    132,807.08x = 10,757,032,682.11
  5. Step 5: Solve for x
    x = 10,757,032,682.11/132,807.08
  6. Step 6: Final answer
    x = 80,997.43

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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.