Home / 154,954.20-232,431.30-49,783.80

Finding the Fourth Proportional to 154,954.20, 232,431.30 and 49,783.80

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Solution

The fourth proportional to 154,954.20, 232,431.30 and 49,783.80 is: 74,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,954.20 : 232,431.30 = 49,783.80 : x
  2. Step 2: Convert to fraction form
    154,954.20/232,431.30 = 49,783.80/x
  3. Step 3: Cross multiply
    154,954.20x = 232,431.30 × 49,783.80
  4. Step 4: Simplify right side
    154,954.20x = 11,571,313,352.94
  5. Step 5: Solve for x
    x = 11,571,313,352.94/154,954.20
  6. Step 6: Final answer
    x = 74,675.70

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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.