Home / 149,995.13-225,103.46-71,109.63

Finding the Fourth Proportional to 149,995.13, 225,103.46 and 71,109.63

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Solution

The fourth proportional to 149,995.13, 225,103.46 and 71,109.63 is: 106,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,995.13 : 225,103.46 = 71,109.63 : x
  2. Step 2: Convert to fraction form
    149,995.13/225,103.46 = 71,109.63/x
  3. Step 3: Cross multiply
    149,995.13x = 225,103.46 × 71,109.63
  4. Step 4: Simplify right side
    149,995.13x = 16,007,023,396.77
  5. Step 5: Solve for x
    x = 16,007,023,396.77/149,995.13
  6. Step 6: Final answer
    x = 106,716.96

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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.