Home / 159,329.20-238,938.72-70,644.73

Finding the Fourth Proportional to 159,329.20, 238,938.72 and 70,644.73

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Solution

The fourth proportional to 159,329.20, 238,938.72 and 70,644.73 is: 105,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,329.20 : 238,938.72 = 70,644.73 : x
  2. Step 2: Convert to fraction form
    159,329.20/238,938.72 = 70,644.73/x
  3. Step 3: Cross multiply
    159,329.20x = 238,938.72 × 70,644.73
  4. Step 4: Simplify right side
    159,329.20x = 16,879,761,360.95
  5. Step 5: Solve for x
    x = 16,879,761,360.95/159,329.20
  6. Step 6: Final answer
    x = 105,942.67

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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.