Home / 152,617.40-228,731.70-111,015.80

Finding the Fourth Proportional to 152,617.40, 228,731.70 and 111,015.80

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Solution

The fourth proportional to 152,617.40, 228,731.70 and 111,015.80 is: 166,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,617.40 : 228,731.70 = 111,015.80 : x
  2. Step 2: Convert to fraction form
    152,617.40/228,731.70 = 111,015.80/x
  3. Step 3: Cross multiply
    152,617.40x = 228,731.70 × 111,015.80
  4. Step 4: Simplify right side
    152,617.40x = 25,392,832,660.86
  5. Step 5: Solve for x
    x = 25,392,832,660.86/152,617.40
  6. Step 6: Final answer
    x = 166,382.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.