Home / 165,767.58-228,761.82-90,316.08

Finding the Fourth Proportional to 165,767.58, 228,761.82 and 90,316.08

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Solution

The fourth proportional to 165,767.58, 228,761.82 and 90,316.08 is: 124,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,767.58 : 228,761.82 = 90,316.08 : x
  2. Step 2: Convert to fraction form
    165,767.58/228,761.82 = 90,316.08/x
  3. Step 3: Cross multiply
    165,767.58x = 228,761.82 × 90,316.08
  4. Step 4: Simplify right side
    165,767.58x = 20,660,870,836.07
  5. Step 5: Solve for x
    x = 20,660,870,836.07/165,767.58
  6. Step 6: Final answer
    x = 124,637.58

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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.