Home / 109,738.87-151,451.94-61,995.30

Finding the Fourth Proportional to 109,738.87, 151,451.94 and 61,995.30

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Solution

The fourth proportional to 109,738.87, 151,451.94 and 61,995.30 is: 85,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.87 : 151,451.94 = 61,995.30 : x
  2. Step 2: Convert to fraction form
    109,738.87/151,451.94 = 61,995.30/x
  3. Step 3: Cross multiply
    109,738.87x = 151,451.94 × 61,995.30
  4. Step 4: Simplify right side
    109,738.87x = 9,389,308,455.88
  5. Step 5: Solve for x
    x = 9,389,308,455.88/109,738.87
  6. Step 6: Final answer
    x = 85,560.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.