Home / 165,705.54-228,808.59-135,083.49

Finding the Fourth Proportional to 165,705.54, 228,808.59 and 135,083.49

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Solution

The fourth proportional to 165,705.54, 228,808.59 and 135,083.49 is: 186,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,705.54 : 228,808.59 = 135,083.49 : x
  2. Step 2: Convert to fraction form
    165,705.54/228,808.59 = 135,083.49/x
  3. Step 3: Cross multiply
    165,705.54x = 228,808.59 × 135,083.49
  4. Step 4: Simplify right side
    165,705.54x = 30,908,262,879.18
  5. Step 5: Solve for x
    x = 30,908,262,879.18/165,705.54
  6. Step 6: Final answer
    x = 186,525.22

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1.5x scale

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.