Home / 165,286.78-228,094.05-89,834.74

Finding the Fourth Proportional to 165,286.78, 228,094.05 and 89,834.74

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Solution

The fourth proportional to 165,286.78, 228,094.05 and 89,834.74 is: 123,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,286.78 : 228,094.05 = 89,834.74 : x
  2. Step 2: Convert to fraction form
    165,286.78/228,094.05 = 89,834.74/x
  3. Step 3: Cross multiply
    165,286.78x = 228,094.05 × 89,834.74
  4. Step 4: Simplify right side
    165,286.78x = 20,490,769,677.30
  5. Step 5: Solve for x
    x = 20,490,769,677.30/165,286.78
  6. Step 6: Final answer
    x = 123,971.01

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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.