Home / 165,021.44-247,492.53-76,189.61

Finding the Fourth Proportional to 165,021.44, 247,492.53 and 76,189.61

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Solution

The fourth proportional to 165,021.44, 247,492.53 and 76,189.61 is: 114,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,021.44 : 247,492.53 = 76,189.61 : x
  2. Step 2: Convert to fraction form
    165,021.44/247,492.53 = 76,189.61/x
  3. Step 3: Cross multiply
    165,021.44x = 247,492.53 × 76,189.61
  4. Step 4: Simplify right side
    165,021.44x = 18,856,359,957.34
  5. Step 5: Solve for x
    x = 18,856,359,957.34/165,021.44
  6. Step 6: Final answer
    x = 114,266.13

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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.