Home / 119,939.58-165,565.89-81,824.94

Finding the Fourth Proportional to 119,939.58, 165,565.89 and 81,824.94

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Solution

The fourth proportional to 119,939.58, 165,565.89 and 81,824.94 is: 112,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,939.58 : 165,565.89 = 81,824.94 : x
  2. Step 2: Convert to fraction form
    119,939.58/165,565.89 = 81,824.94/x
  3. Step 3: Cross multiply
    119,939.58x = 165,565.89 × 81,824.94
  4. Step 4: Simplify right side
    119,939.58x = 13,547,419,015.30
  5. Step 5: Solve for x
    x = 13,547,419,015.30/119,939.58
  6. Step 6: Final answer
    x = 112,952.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.