Home / 149,998.72-225,081.11-89,879.52

Finding the Fourth Proportional to 149,998.72, 225,081.11 and 89,879.52

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Solution

The fourth proportional to 149,998.72, 225,081.11 and 89,879.52 is: 134,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,998.72 : 225,081.11 = 89,879.52 : x
  2. Step 2: Convert to fraction form
    149,998.72/225,081.11 = 89,879.52/x
  3. Step 3: Cross multiply
    149,998.72x = 225,081.11 × 89,879.52
  4. Step 4: Simplify right side
    149,998.72x = 20,230,182,127.87
  5. Step 5: Solve for x
    x = 20,230,182,127.87/149,998.72
  6. Step 6: Final answer
    x = 134,869.03

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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.