Home / 99,359.20-148,987.60-36,997.60

Finding the Fourth Proportional to 99,359.20, 148,987.60 and 36,997.60

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Solution

The fourth proportional to 99,359.20, 148,987.60 and 36,997.60 is: 55,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359.20 : 148,987.60 = 36,997.60 : x
  2. Step 2: Convert to fraction form
    99,359.20/148,987.60 = 36,997.60/x
  3. Step 3: Cross multiply
    99,359.20x = 148,987.60 × 36,997.60
  4. Step 4: Simplify right side
    99,359.20x = 5,512,183,629.76
  5. Step 5: Solve for x
    x = 5,512,183,629.76/99,359.20
  6. Step 6: Final answer
    x = 55,477.34

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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.