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Finding the Fourth Proportional to 169,673.44, 254,405.62 and 57,343.08

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Solution

The fourth proportional to 169,673.44, 254,405.62 and 57,343.08 is: 85,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,673.44 : 254,405.62 = 57,343.08 : x
  2. Step 2: Convert to fraction form
    169,673.44/254,405.62 = 57,343.08/x
  3. Step 3: Cross multiply
    169,673.44x = 254,405.62 × 57,343.08
  4. Step 4: Simplify right side
    169,673.44x = 14,588,401,820.11
  5. Step 5: Solve for x
    x = 14,588,401,820.11/169,673.44
  6. Step 6: Final answer
    x = 85,979.29

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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.