Home / 146,760.20-220,140.30-145,838.60

Finding the Fourth Proportional to 146,760.20, 220,140.30 and 145,838.60

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Solution

The fourth proportional to 146,760.20, 220,140.30 and 145,838.60 is: 218,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,760.20 : 220,140.30 = 145,838.60 : x
  2. Step 2: Convert to fraction form
    146,760.20/220,140.30 = 145,838.60/x
  3. Step 3: Cross multiply
    146,760.20x = 220,140.30 × 145,838.60
  4. Step 4: Simplify right side
    146,760.20x = 32,104,953,155.58
  5. Step 5: Solve for x
    x = 32,104,953,155.58/146,760.20
  6. Step 6: Final answer
    x = 218,757.90

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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.