Home / 193,401.20-290,115.36-80,967.93

Finding the Fourth Proportional to 193,401.20, 290,115.36 and 80,967.93

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Solution

The fourth proportional to 193,401.20, 290,115.36 and 80,967.93 is: 121,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,401.20 : 290,115.36 = 80,967.93 : x
  2. Step 2: Convert to fraction form
    193,401.20/290,115.36 = 80,967.93/x
  3. Step 3: Cross multiply
    193,401.20x = 290,115.36 × 80,967.93
  4. Step 4: Simplify right side
    193,401.20x = 23,490,040,160.40
  5. Step 5: Solve for x
    x = 23,490,040,160.40/193,401.20
  6. Step 6: Final answer
    x = 121,457.58

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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.