Home / 165,316.41-228,141.36-100,789.38

Finding the Fourth Proportional to 165,316.41, 228,141.36 and 100,789.38

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Solution

The fourth proportional to 165,316.41, 228,141.36 and 100,789.38 is: 139,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,316.41 : 228,141.36 = 100,789.38 : x
  2. Step 2: Convert to fraction form
    165,316.41/228,141.36 = 100,789.38/x
  3. Step 3: Cross multiply
    165,316.41x = 228,141.36 × 100,789.38
  4. Step 4: Simplify right side
    165,316.41x = 22,994,226,226.76
  5. Step 5: Solve for x
    x = 22,994,226,226.76/165,316.41
  6. Step 6: Final answer
    x = 139,092.22

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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.