Home / 154,119.50-231,179.25-43,311.50

Finding the Fourth Proportional to 154,119.50, 231,179.25 and 43,311.50

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Solution

The fourth proportional to 154,119.50, 231,179.25 and 43,311.50 is: 64,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,119.50 : 231,179.25 = 43,311.50 : x
  2. Step 2: Convert to fraction form
    154,119.50/231,179.25 = 43,311.50/x
  3. Step 3: Cross multiply
    154,119.50x = 231,179.25 × 43,311.50
  4. Step 4: Simplify right side
    154,119.50x = 10,012,720,086.38
  5. Step 5: Solve for x
    x = 10,012,720,086.38/154,119.50
  6. Step 6: Final answer
    x = 64,967.25

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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.