Home / 152,659.40-228,989.10-131,664.20

Finding the Fourth Proportional to 152,659.40, 228,989.10 and 131,664.20

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Solution

The fourth proportional to 152,659.40, 228,989.10 and 131,664.20 is: 197,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,659.40 : 228,989.10 = 131,664.20 : x
  2. Step 2: Convert to fraction form
    152,659.40/228,989.10 = 131,664.20/x
  3. Step 3: Cross multiply
    152,659.40x = 228,989.10 × 131,664.20
  4. Step 4: Simplify right side
    152,659.40x = 30,149,666,660.22
  5. Step 5: Solve for x
    x = 30,149,666,660.22/152,659.40
  6. Step 6: Final answer
    x = 197,496.30

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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.