Home / 145,997.40-218,996.10-132,000.60

Finding the Fourth Proportional to 145,997.40, 218,996.10 and 132,000.60

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Solution

The fourth proportional to 145,997.40, 218,996.10 and 132,000.60 is: 198,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,997.40 : 218,996.10 = 132,000.60 : x
  2. Step 2: Convert to fraction form
    145,997.40/218,996.10 = 132,000.60/x
  3. Step 3: Cross multiply
    145,997.40x = 218,996.10 × 132,000.60
  4. Step 4: Simplify right side
    145,997.40x = 28,907,616,597.66
  5. Step 5: Solve for x
    x = 28,907,616,597.66/145,997.40
  6. Step 6: Final answer
    x = 198,000.90

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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.