Home / 173,395.20-260,040.96-90,243.84

Finding the Fourth Proportional to 173,395.20, 260,040.96 and 90,243.84

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Solution

The fourth proportional to 173,395.20, 260,040.96 and 90,243.84 is: 135,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,395.20 : 260,040.96 = 90,243.84 : x
  2. Step 2: Convert to fraction form
    173,395.20/260,040.96 = 90,243.84/x
  3. Step 3: Cross multiply
    173,395.20x = 260,040.96 × 90,243.84
  4. Step 4: Simplify right side
    173,395.20x = 23,467,094,787.69
  5. Step 5: Solve for x
    x = 23,467,094,787.69/173,395.20
  6. Step 6: Final answer
    x = 135,338.78

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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.