Home / 121,921.51-182,863.79-33,181.93

Finding the Fourth Proportional to 121,921.51, 182,863.79 and 33,181.93

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Solution

The fourth proportional to 121,921.51, 182,863.79 and 33,181.93 is: 49,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,921.51 : 182,863.79 = 33,181.93 : x
  2. Step 2: Convert to fraction form
    121,921.51/182,863.79 = 33,181.93/x
  3. Step 3: Cross multiply
    121,921.51x = 182,863.79 × 33,181.93
  4. Step 4: Simplify right side
    121,921.51x = 6,067,773,666.42
  5. Step 5: Solve for x
    x = 6,067,773,666.42/121,921.51
  6. Step 6: Final answer
    x = 49,767.87

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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.