Home / 154,440.60-231,660.90-123,336.60

Finding the Fourth Proportional to 154,440.60, 231,660.90 and 123,336.60

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Solution

The fourth proportional to 154,440.60, 231,660.90 and 123,336.60 is: 185,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,440.60 : 231,660.90 = 123,336.60 : x
  2. Step 2: Convert to fraction form
    154,440.60/231,660.90 = 123,336.60/x
  3. Step 3: Cross multiply
    154,440.60x = 231,660.90 × 123,336.60
  4. Step 4: Simplify right side
    154,440.60x = 28,572,267,758.94
  5. Step 5: Solve for x
    x = 28,572,267,758.94/154,440.60
  6. Step 6: Final answer
    x = 185,004.90

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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.