Home / 155,729.96-233,546.34-102,419

Finding the Fourth Proportional to 155,729.96, 233,546.34 and 102,419

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Solution

The fourth proportional to 155,729.96, 233,546.34 and 102,419 is: 153,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,729.96 : 233,546.34 = 102,419 : x
  2. Step 2: Convert to fraction form
    155,729.96/233,546.34 = 102,419/x
  3. Step 3: Cross multiply
    155,729.96x = 233,546.34 × 102,419
  4. Step 4: Simplify right side
    155,729.96x = 23,919,582,596.46
  5. Step 5: Solve for x
    x = 23,919,582,596.46/155,729.96
  6. Step 6: Final answer
    x = 153,596.54

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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.