Home / 150,116.40-225,174.36-71,187.48

Finding the Fourth Proportional to 150,116.40, 225,174.36 and 71,187.48

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Solution

The fourth proportional to 150,116.40, 225,174.36 and 71,187.48 is: 106,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,116.40 : 225,174.36 = 71,187.48 : x
  2. Step 2: Convert to fraction form
    150,116.40/225,174.36 = 71,187.48/x
  3. Step 3: Cross multiply
    150,116.40x = 225,174.36 × 71,187.48
  4. Step 4: Simplify right side
    150,116.40x = 16,029,595,249.01
  5. Step 5: Solve for x
    x = 16,029,595,249.01/150,116.40
  6. Step 6: Final answer
    x = 106,781.11

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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.