Home / 147,251.76-220,441.26-90,910.72

Finding the Fourth Proportional to 147,251.76, 220,441.26 and 90,910.72

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Solution

The fourth proportional to 147,251.76, 220,441.26 and 90,910.72 is: 136,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,251.76 : 220,441.26 = 90,910.72 : x
  2. Step 2: Convert to fraction form
    147,251.76/220,441.26 = 90,910.72/x
  3. Step 3: Cross multiply
    147,251.76x = 220,441.26 × 90,910.72
  4. Step 4: Simplify right side
    147,251.76x = 20,040,473,664.31
  5. Step 5: Solve for x
    x = 20,040,473,664.31/147,251.76
  6. Step 6: Final answer
    x = 136,096.67

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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.