Home / 120,842.08-181,076.82-64,689.64

Finding the Fourth Proportional to 120,842.08, 181,076.82 and 64,689.64

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Solution

The fourth proportional to 120,842.08, 181,076.82 and 64,689.64 is: 96,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,842.08 : 181,076.82 = 64,689.64 : x
  2. Step 2: Convert to fraction form
    120,842.08/181,076.82 = 64,689.64/x
  3. Step 3: Cross multiply
    120,842.08x = 181,076.82 × 64,689.64
  4. Step 4: Simplify right side
    120,842.08x = 11,713,794,298.14
  5. Step 5: Solve for x
    x = 11,713,794,298.14/120,842.08
  6. Step 6: Final answer
    x = 96,934.73

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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.