Home / 152,220.40-228,330.60-82,236.40

Finding the Fourth Proportional to 152,220.40, 228,330.60 and 82,236.40

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Solution

The fourth proportional to 152,220.40, 228,330.60 and 82,236.40 is: 123,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,220.40 : 228,330.60 = 82,236.40 : x
  2. Step 2: Convert to fraction form
    152,220.40/228,330.60 = 82,236.40/x
  3. Step 3: Cross multiply
    152,220.40x = 228,330.60 × 82,236.40
  4. Step 4: Simplify right side
    152,220.40x = 18,777,086,553.84
  5. Step 5: Solve for x
    x = 18,777,086,553.84/152,220.40
  6. Step 6: Final answer
    x = 123,354.60

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1.5x scale

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.