Home / 165,258.60-228,056.84-89,807.10

Finding the Fourth Proportional to 165,258.60, 228,056.84 and 89,807.10

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Solution

The fourth proportional to 165,258.60, 228,056.84 and 89,807.10 is: 123,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,258.60 : 228,056.84 = 89,807.10 : x
  2. Step 2: Convert to fraction form
    165,258.60/228,056.84 = 89,807.10/x
  3. Step 3: Cross multiply
    165,258.60x = 228,056.84 × 89,807.10
  4. Step 4: Simplify right side
    165,258.60x = 20,481,123,435.56
  5. Step 5: Solve for x
    x = 20,481,123,435.56/165,258.60
  6. Step 6: Final answer
    x = 123,933.78

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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.