Home / 149,976.13-225,047.24-89,856.87

Finding the Fourth Proportional to 149,976.13, 225,047.24 and 89,856.87

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Solution

The fourth proportional to 149,976.13, 225,047.24 and 89,856.87 is: 134,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,976.13 : 225,047.24 = 89,856.87 : x
  2. Step 2: Convert to fraction form
    149,976.13/225,047.24 = 89,856.87/x
  3. Step 3: Cross multiply
    149,976.13x = 225,047.24 × 89,856.87
  4. Step 4: Simplify right side
    149,976.13x = 20,222,040,012.51
  5. Step 5: Solve for x
    x = 20,222,040,012.51/149,976.13
  6. Step 6: Final answer
    x = 134,835.05

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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.