Home / 150,521.56-225,917.70-80,460.76

Finding the Fourth Proportional to 150,521.56, 225,917.70 and 80,460.76

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Solution

The fourth proportional to 150,521.56, 225,917.70 and 80,460.76 is: 120,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,521.56 : 225,917.70 = 80,460.76 : x
  2. Step 2: Convert to fraction form
    150,521.56/225,917.70 = 80,460.76/x
  3. Step 3: Cross multiply
    150,521.56x = 225,917.70 × 80,460.76
  4. Step 4: Simplify right side
    150,521.56x = 18,177,509,839.45
  5. Step 5: Solve for x
    x = 18,177,509,839.45/150,521.56
  6. Step 6: Final answer
    x = 120,763.50

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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.