Home / 165,415.10-248,122.65-120,832.70

Finding the Fourth Proportional to 165,415.10, 248,122.65 and 120,832.70

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Solution

The fourth proportional to 165,415.10, 248,122.65 and 120,832.70 is: 181,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,415.10 : 248,122.65 = 120,832.70 : x
  2. Step 2: Convert to fraction form
    165,415.10/248,122.65 = 120,832.70/x
  3. Step 3: Cross multiply
    165,415.10x = 248,122.65 × 120,832.70
  4. Step 4: Simplify right side
    165,415.10x = 29,981,329,730.66
  5. Step 5: Solve for x
    x = 29,981,329,730.66/165,415.10
  6. Step 6: Final answer
    x = 181,249.05

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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.