Home / 193,019.76-289,522.08-80,670.96

Finding the Fourth Proportional to 193,019.76, 289,522.08 and 80,670.96

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Solution

The fourth proportional to 193,019.76, 289,522.08 and 80,670.96 is: 121,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,019.76 : 289,522.08 = 80,670.96 : x
  2. Step 2: Convert to fraction form
    193,019.76/289,522.08 = 80,670.96/x
  3. Step 3: Cross multiply
    193,019.76x = 289,522.08 × 80,670.96
  4. Step 4: Simplify right side
    193,019.76x = 23,356,024,134.80
  5. Step 5: Solve for x
    x = 23,356,024,134.80/193,019.76
  6. Step 6: Final answer
    x = 121,003.28

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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.