Home / 165,321.32-228,146.05-93,699.80

Finding the Fourth Proportional to 165,321.32, 228,146.05 and 93,699.80

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Solution

The fourth proportional to 165,321.32, 228,146.05 and 93,699.80 is: 129,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,321.32 : 228,146.05 = 93,699.80 : x
  2. Step 2: Convert to fraction form
    165,321.32/228,146.05 = 93,699.80/x
  3. Step 3: Cross multiply
    165,321.32x = 228,146.05 × 93,699.80
  4. Step 4: Simplify right side
    165,321.32x = 21,377,239,087.73
  5. Step 5: Solve for x
    x = 21,377,239,087.73/165,321.32
  6. Step 6: Final answer
    x = 129,307.22

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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.