Home / 146,906.40-220,359.60-99,667.20

Finding the Fourth Proportional to 146,906.40, 220,359.60 and 99,667.20

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Solution

The fourth proportional to 146,906.40, 220,359.60 and 99,667.20 is: 149,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,906.40 : 220,359.60 = 99,667.20 : x
  2. Step 2: Convert to fraction form
    146,906.40/220,359.60 = 99,667.20/x
  3. Step 3: Cross multiply
    146,906.40x = 220,359.60 × 99,667.20
  4. Step 4: Simplify right side
    146,906.40x = 21,962,624,325.12
  5. Step 5: Solve for x
    x = 21,962,624,325.12/146,906.40
  6. Step 6: Final answer
    x = 149,500.80

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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.